Glossary Letter N

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N s - The newton-second is the standard unit of impulse.

N+1 UPS - N+1, also called parallel redundancy, is a safeguard to ensure that an uninterruptible power supply (UPS)system is always available.

n00b - A newbie (pronounced NOO-bee) is a novice or neophyte: anyone who is new to any particular type of endeavor, such as a sport or a technology.

N_Port ID virtualization (NPIV) - N_Port ID virtualization (NPIV) is a technology that allows a single host bus adaptor (HBA) called an "N_Port" to register multiple World Wide Port Names (WWPNs) and N_Port identification numbers.

NAC - Network access control (NAC), also called network admission control, is a method of bolstering the security of a proprietary network by restricting the availability of network resources to endpoint devices that comply with a defined security policy.

NACHA - The National Automated Clearing House Association (NACHA) is a not-for-profit trade association that develops operating rules and business practices for the nationwide network of automated clearing houses (ACHs) and for other areas of electronic payments.

Nagios - Nagios is an open source monitoring system for computer systems.

Nagle's algorithm - Named for its creator, John Nagle, the Nagle algorithm is used to automatically concatenate a number of small buffer messages; this process (called nagling) increases the efficiency of a network application system by decreasing the number of packets that must be sent.

nagling - Named for its creator, John Nagle, the Nagle algorithm is used to automatically concatenate a number of small buffer messages; this process (called nagling) increases the efficiency of a network application system by decreasing the number of packets that must be sent.

nagware (annoyware) - On the Web, nagware (sometimes called "annoyware") is programming that presents the user with one or more pop-up windows or alerts when an application is launched or closed (sometimes both), reminding the user to register, purchase the application, or take some other action.

NAHIT - The National Alliance for Health Information Technology, or NAHIT, was formed in 2002 in an effort to promote the use of health IT.

NAK - NAK is an abbreviation for negative acknowledgment or not acknowledged.

NAK (negative acknowledgment or not acknowledged) - NAK is an abbreviation for negative acknowledgment or not acknowledged.

named account - A named account is a company that is identified as a valuable prospect or customer and assigned to an individual marketing or sales representative for targeted efforts.

named entity - A named entity is a term or phrase that identifies an object from a set of other objects with similar attributes.

named entity recognition (NER) - Named entity recognition (NER) is a sub-task of information extraction (IE) that seeks out and categorizes specified entities in a body or bodies of texts.

named pipe - In computer programming, a named pipe is a method for passing information from one computer process to other processes using a pipe or message holding place that is given a specific name.

namespace - In general, a namespace uniquely identifies a set of names so that there is no ambiguity when objects having different origins but the same names are mixed together.

NAND - A logic gate is an elementary building block of a digital circuit.

NAND flash memory - NAND flash memory is a type of nonvolatile storage technology that does not require power to retain data.

NAND flash wear-out - NAND flash wear-out is the breakdown of the oxide layer within the floating-gate transistors of NAND flash memory.

NAND mirroring - NAND mirroring has been proposed to break the security in certain portable devices that use NAND flash memory for encryption.

NANDroid backup - NANDroid backups are typically created by Android device owners who have gained root access to their phone’s operating system in order to use aftermarket distributions of the Android OS.

nanite - A nanomachine, also called a nanite, is a mechanical or electromechanical device whose dimensions are measured in nanometers (millionths of a millimeter, or units of 10 -9 meter).

nano - Nano is a prefix meaning "extremely small.

nano emissive display - A nano-emissive display (NED) is a high-resolution, full-color, lightweight, physically thin display that uses carbon nanotube technology.

nano-emissive display - A nano-emissive display (NED) is a high-resolution, full-color, lightweight, physically thin display that uses carbon nanotube technology.

nano-emissive display (NED) - A nano-emissive display (NED) is a high-resolution, full-color, lightweight, physically thin display that uses carbon nanotube technology.

nano-storage - Nano-storage is a nanotechnology approach to storage that seeks to radically increase storage capacities through a variety of technologies, and, ultimately, to replace current storage media with extremely high-density media and devices.

nanoanalysis - Nanoanalysis refers to techniques for determining the atomic structures of materials, especially crystals.

nanobiomechanics - Nanobiomechanics, also called nanoscale biomechanics, is a field of biomedical technology that involves measurement of the mechanical characteristics of individual living cells.

nanobiomechanics (nanoscale biomechanics) - Nanobiomechanics, also called nanoscale biomechanics, is a field of biomedical technology that involves measurement of the mechanical characteristics of individual living cells.

nanochip - A nanochip is an integrated circuit (IC) that is so small, in physical terms, that individual particles of matter play major roles.

nanocomputer - A nanocomputer is a computer whose physical dimensions are microscopic.

nanocrystal - A nanocrystal is a crystalline particle with at least one dimension measuring less than 1000 nanometers (nm), where 1 nm is defined as 1 thousand-millionth of a meter (10-9 m).

nanofabrication - Nanofabrication is the design and manufacture of devices with dimensions measured in nanometers.

nanogenerator - A nanogenerator is a nanoscale (extremely small) device capable of generating electric current, electromagnetic fields or subatomic particle radiation.

nanolithography - Nanolithography is the art and science of etching, writing, or printing at the microscopic level, where the dimensions of characters are on the order of nanometers (units of 10 -9 meter, or millionths of a millimeter).

nanomachine - A nanomachine, also called a nanite, is a mechanical or electromechanical device whose dimensions are measured in nanometers (millionths of a millimeter, or units of 10 -9 meter).

nanomachine (nanite) - A nanomachine, also called a nanite, is a mechanical or electromechanical device whose dimensions are measured in nanometers (millionths of a millimeter, or units of 10 -9 meter).

nanoManipulator - The nanoManipulator is a specialized nanorobot and microscopic viewing system for working with objects on an extremely small scale.

nanomedicine - Nanomedicine is the application of nanotechnology (the engineering of tiny machines) to the prevention and treatment of disease in the human body.

nanometer - A nanometer is a unit of spatial measurement that is 10-9 meter, or one billionth of a meter.

nanopaint - Nanopaint is a coating that can modify the properties of a surface or substance according to user-defined parameters.

nanopaper - Nanopaper is a 3D rendering of thermally stable nanomaterials made of long nanowires created from titanium oxide using a hydrothermal heating process.

nanorobot - A nanorobot is a tiny machine designed to perform a specific task or tasks repeatedly and with precision at nanoscale dimensions, that is, dimensions of a few nanometers (nm) or less, where 1 nm = 10-9 meter.

nanosatellite - A miniaturized satellite is an earth-orbiting device having lower mass and smaller physical dimensions than a conventional satellite, such as a geostationary satellite.

nanoscale biomechanics - Nanobiomechanics, also called nanoscale biomechanics, is a field of biomedical technology that involves measurement of the mechanical characteristics of individual living cells.

nanoscale technology - Nanoscale technology is a branch of nanotechnology in which standard size tools are used to manufacture simple structures and devices with dimensions on the order of a few nanometers or less, where one nanometer (1 nm) is equal to a billionth of a meter (10 -9 m).

nanosecond - (This definition follows U.

nanosecond (ns or nsec) - (This definition follows U.

nanostorage - Nano-storage is a nanotechnology approach to storage that seeks to radically increase storage capacities through a variety of technologies, and, ultimately, to replace current storage media with extremely high-density media and devices.

nanotechnology - Nanotechnology, also called molecular manufacturing, is a branch of engineering that deals with the design and manufacture of extremely small electronic circuits and mechanical devices built at the molecular level of matter.

nanotechnology (molecular manufacturing) - Nanotechnology, also called molecular manufacturing, is a branch of engineering that deals with the design and manufacture of extremely small electronic circuits and mechanical devices built at the molecular level of matter.

nanotransistor - A nanotransistor is a transistor - the component that acts as an electronic signal switch or amplifier - that is near the scale of a billionth of a meter (or nanometer) in size.

nanotube - A carbon nanotube (CNT) is a miniature cylindrical carbon structure that has hexagonal graphite molecules attached at the edges.

nanotube (carbon nanotube) - A carbon nanotube (CNT) is a miniature cylindrical carbon structure that has hexagonal graphite molecules attached at the edges.

nanowire - A nanowire is an extremely thin wire with a diameter on the order of a few nanometers (nm) or less, where 1 nm = 10 -9 meters.

NAO Project - Project Nao, also called the Nao Project, is an ongoing venture dedicated to the development and mass production of an intelligent humanoid robot for the consumer market.

NAP - Network access protection (NAP), introduced with Windows Server 2008, is Microsoft’s approach to controlling access to a network based on a determination of each device’s health.

NAP - In the United States, a network access point (NAP) is one of several major Internet interconnection points that serve to tie all the Internet access providers together so that, for example, an AT&T user in Portland, Oregon can reach the Web site of a Bell South customer in Miami, Florida.

narrow AI (weak AI) - Narrow AI is an application of artificial intelligence technologies to enable a high-functioning system that replicates – and perhaps surpasses -- human intelligence for a dedicated purpose.

narrowband - Generally, narrowband describes telecommunication that carries voice information in a narrow band of frequencies.

narrowband IoT (NB-IoT) - Narrowband IoT (NB-IoT) is a wireless internet of things (IoT) protocol using low-power wide area network (LPWAN) technology.

narrowcasting - Slivercasing, or narrowcasting, is the transmission of video programming to a niche audience, often through relatively inexpensive means like streaming video over high-speed connections.

NAS - Network-attached storage (NAS) is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve data from centralized disk capacity.

NAS - A network access server (NAS) is a computer server that enables an independent service provider (ISP) to provide connected customers with Internet access.

NAS accelerators - A NAS accelerator (network-attached storage accelerator) is a printed circuit card that offloads TCP/IP processing from a microprocessor.

NAS Appliance - NAS appliances are commodity hardware that includes their own dedicated storage disks and RAID that can easily scale as more capacity is needed.

NAS enclosure (network-attached storage enclosure) - NAS enclosures provide shared storage to all users connected to a network, and vary in models appropriate for home offices to enterprises.

NAS filer (network-attached storage filer) - NAS filers add scalable, expandable storage for file-serving purposes in data sharing, cloud applications, Internet and enterprise networks, in both Fibre Channel SANs and Ethernet LANs.

NAS gateway - A NAS gateway is a NAS (network-attached storage) system in which the storage media are externally attached, typically over a Fibre Channel interface.

NASA Solutions for Enterprise Wide Procurement IV - NASA Solutions for Enterprise-Wide Procurement (SEWP) IV is a contract issued by NASA's SEWP BOWL (Solutions for Enterprise-Wide Procurement Business Operations and Workstation Laboratory) to a commercial technology vendor.

NASA Solutions for Enterprise-Wide Procurement (SEWP) IV - NASA Solutions for Enterprise-Wide Procurement (SEWP) IV is a contract issued by NASA's SEWP BOWL (Solutions for Enterprise-Wide Procurement Business Operations and Workstation Laboratory) to a commercial technology vendor.

NASA Solutions for Enterprise-Wide Procurement IV - NASA Solutions for Enterprise-Wide Procurement (SEWP) IV is a contract issued by NASA's SEWP BOWL (Solutions for Enterprise-Wide Procurement Business Operations and Workstation Laboratory) to a commercial technology vendor.

NASCAR slide - A NASCAR slide is marketing lingo for a PowerPoint slide filled with logos.

NASDAQ - The NASDAQ is the largest electronic securities exchange in the United States.

NASDAQ (National Association of Securities Dealers Automated Quotations) - The NASDAQ is the largest electronic securities exchange in the United States.

NASDAQ Information Exchange protocol - QIX (NASDAQ Information Exchange protocol) is a proprietary specification intended to streamline automated trading in the financial industry.

NASSCOM - The National Association of Software and Services Companies (NASSCOM) is a not-for-profit Indian consortium created to promote the development of the country's IT (information technology) and business process outsourcing (BPO) industries.

NASSCOM (National Association of Software and Services Companies) - The National Association of Software and Services Companies (NASSCOM) is a not-for-profit Indian consortium created to promote the development of the country's IT (information technology) and business process outsourcing (BPO) industries.

NAT - A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses.

NAT64 - NAT64 is a proposed mechanism for translating IPv6 packets to IPv4 packets and vice-versa.

National Alliance for Health Information Technology - The National Alliance for Health Information Technology, or NAHIT, was formed in 2002 in an effort to promote the use of health IT.

National Alliance for Health Information Technology (NAHIT) - The National Alliance for Health Information Technology, or NAHIT, was formed in 2002 in an effort to promote the use of health IT.

National Association of Securities Dealers Automated Quotations - The NASDAQ is the largest electronic securities exchange in the United States.

National Association of Software and Services Companies - The National Association of Software and Services Companies (NASSCOM) is a not-for-profit Indian consortium created to promote the development of the country's IT (information technology) and business process outsourcing (BPO) industries.

National Automated Clearing House Association - The National Automated Clearing House Association (NACHA) is a not-for-profit trade association that develops operating rules and business practices for the nationwide network of automated clearing houses (ACHs) and for other areas of electronic payments.

National Automated Clearing House Association (NACHA) - The National Automated Clearing House Association (NACHA) is a not-for-profit trade association that develops operating rules and business practices for the nationwide network of automated clearing houses (ACHs) and for other areas of electronic payments.

National Call Fee Access - In the U.K.

National Call Fee Access (NCFA) - In the U.K.

National Committee on Vital and Health Statistics - The National Committee on Vital and Health Statistics (NCVHS) is an advisory body to the U.

National Committee on Vital and Health Statistics (NCVHS) - The National Committee on Vital and Health Statistics (NCVHS) is an advisory body to the U.

National Computer Security Center - The National Computer Security Center (NCSC) is a U.

National Computer Security Center (NCSC) - The National Computer Security Center (NCSC) is a U.

National Data Warehouse of Official Statistics - The National Data Warehouse of Official Statistics is a central repository of the statistical data gathered by India’s central ministries, state governments and union territories.

National eGovernance Plan - National eGovernance Plan (NeGP) is an initiative by the government of India to combine various e-governance systems around the country to create a national network that provides government services to all citizens electronically.

National eGovernance Plan (NeGP) - National eGovernance Plan (NeGP) is an initiative by the government of India to combine various e-governance systems around the country to create a national network that provides government services to all citizens electronically.

National eGovernance Service Delivery Gateway - National eGovernance Service Delivery Gateway (NSDG) is a mission mode project (MMP) under the National e-Governance Plan (NeGP) that acts as a central repository for government data.

National eGovernance Service Delivery Gateway (NSDG) - National eGovernance Service Delivery Gateway (NSDG) is a mission mode project (MMP) under the National e-Governance Plan (NeGP) that acts as a central repository for government data.

National Electrical Code (NEC) - National Electrical Code (NEC) is a set of regularly updated standards for the safe installation of electric wiring in the United States.

National Electrical Manufacturers Association (NEMA) - The National Electrical Manufacturers Association (NEMA) is the largest association of electrical goods and equipment and electronic medical imaging equipment manufacturers in the United States.

National Electronic Disease Surveillance System - The National Electronic Disease Surveillance System (NEDSS) is a secure online framework that allows healthcare professionals and government agencies to communicate about disease patterns and coordinate national response to outbreaks.

National Electronic Disease Surveillance System (NEDSS) - The National Electronic Disease Surveillance System (NEDSS) is a secure online framework that allows healthcare professionals and government agencies to communicate about disease patterns and coordinate national response to outbreaks.

National Electronic Funds Transfer (NEFT) - National Electronic Funds Transfer (NEFT) is an Indian system of electronic transfer of money from one bank or bank branch to another.

National Emergency Communications Plan - The National Emergency Communications Plan (NECP) is a strategic plan for improving emergency response communications and efforts in the United States.

National Emergency Communications Plan (NECP) - The National Emergency Communications Plan (NECP) is a strategic plan for improving emergency response communications and efforts in the United States.

national file tracking system - The national file tracking system (NFTS) is a centralized database for tracking the movement of immigration files.

national file tracking system (NFTS) - The national file tracking system (NFTS) is a centralized database for tracking the movement of immigration files.

National Health Information Infrastructure - The National Health Information Infrastructure (NHII) was a government initiative first proposed under former President George W.

National Health Information Infrastructure (NHII) - The National Health Information Infrastructure (NHII) was a government initiative first proposed under former President George W.

National Health Service - The National Health Service (NHS) is the publicly funded national healthcare system in the United Kingdom.

National Health Service (NHS) - The National Health Service (NHS) is the publicly funded national healthcare system in the United Kingdom.

National Highway Traffic Safety Administration (NHTSA) - The National Highway Traffic Safety Administration (NHTSA) is a federal agency of the United States government tasked with upholding regulatory safety standards in automobile manufacturing and the highway transportation system.

national ID card - A national identity card is a portable document, typically a plasticized card with digitally-embedded information, that someone is required or encouraged to carry as a means of confirming their identity.

national identity card - A national identity card is a portable document, typically a plasticized card with digitally-embedded information, that someone is required or encouraged to carry as a means of confirming their identity.

National Informatics Centre (NIC) - The National Informatics Centre (NIC) is an institute set up by the Indian government in 1976 to drive its technology and e-governance initiatives.

National Institute of Standards and Technology - NIST is the National Institute of Standards and Technology, a unit of the U.

National Institutes of Health - The National Institutes of Health (NIH) is the principal federal agency for health research in the United States.

National Institutes of Health (NIH) - The National Institutes of Health (NIH) is the principal federal agency for health research in the United States.

National Library of Medicine - The U.S.

National Nanotechnology Initiative - The National Nanotechnology Initiative (NNI) is a research-and development (R & D) program funded by the U.

National Nanotechnology Initiative (NNI) - The National Nanotechnology Initiative (NNI) is a research-and development (R & D) program funded by the U.

National Population Register (NPR) of India - The National Population Register (NPR) is a database of the identities of all Indian residents.

national provider identifier - A national provider identifier (NPI) is a unique ten-digit identification number required by HIPAA for covered healthcare providers in the United States.

national provider identifier (NPI) - A national provider identifier (NPI) is a unique ten-digit identification number required by HIPAA for covered healthcare providers in the United States.

National Quality Forum - The National Quality Forum (NQF) is a nonprofit organization based in Washington, D.

National Quality Forum (NQF) - The National Quality Forum (NQF) is a nonprofit organization based in Washington, D.

National Security Agency - The National Security Agency is the official U.

National Security Agency (NSA) - The National Security Agency (NSA) is a federal government intelligence agency that is part of the United States Department of Defense and is managed under the authority of the director of national intelligence (DNI).

National Stock Exchange (NSE) of India - The National Stock Exchange (NSE), is a leading stock exchange in India.

National Technical Research Organisation (NTRO) - The National Technical Research Organisation (NTRO) is an Indian technical intelligence agency.

National Television Standards Committee - The NTSC (National Television Standards Committee) was responsible for developing, in 1953, a set of standard protocol for television (TV) broadcast transmission and reception in the United States.

National Television Standards Committee (NTSC) - The NTSC (National Television Standards Committee) was responsible for developing, in 1953, a set of standard protocol for television (TV) broadcast transmission and reception in the United States.

National Voluntary Laboratory Accreditation Program - The National Voluntary Laboratory Accreditation Program (NVLAP) is a federal program run by the National Institute of Standards and Technology that provides third-party accreditation to laboratories in the U.

National Voluntary Laboratory Accreditation Program (NVLAP) - The National Voluntary Laboratory Accreditation Program (NVLAP) is a federal program run by the National Institute of Standards and Technology that provides third-party accreditation to laboratories in the U.

National Vulnerability Database (NVD) - NVD (National Vulnerability Database) is a product of the National Institute of Standards and Technology (NIST) Computer Security Division and is used by the U.

Nationwide Health Information Network - The Nationwide Health Information Network (NHIN) is a set of standards, services and policies that enable secure health information exchange (HIE) over the Internet.

Nationwide Health Information Network (NHIN) - The Nationwide Health Information Network (NHIN) is a set of standards, services and policies that enable secure health information exchange (HIE) over the Internet.

native - In computer systems, native means "original" or "basic.

native advertising - Native advertising is the integration of marketing content with a website in such a way that it is not distinct from the rest of the site in terms of its content, format, style or placement.

native app - A native application is a software program that is developed for use on a particular platform or device.

native app - A native application is a software program that is developed for use on a particular platform or device.

native application - A native application is a software program that is developed for use on a particular platform or device.

native cloud application - A native cloud application (NCA) is a program that is designed specifically for a cloud computing architecture.

native cloud application (NCA) - A native cloud application (NCA) is a program that is designed specifically for a cloud computing architecture.

native code - Native code is computer programming (code) that is compiled to run with a particular processor and its set of instructions.

NATO off-the-shelf - COTS, MOTS, GOTS, and NOTS are abbreviations that describe pre-packaged software or hardware purchase alternatives.

natural disaster recovery - Natural disaster recovery is the process of recovering data and resuming business operations following a natural disaster.

natural language - In computing, natural language refers to a human language such as English, Russian, German, or Japanese as distinct from the typically artificial command or programming language with which one usually talks to a computer.

natural language generation (NLG) - Natural language generation (NLG) is the use of artificial intelligence (AI) programming to produce written or spoken narrative from a dataset.

natural language processing - Natural language processing (NLP) is the ability of a computer program to understand human language as it is spoken and written -- referred to as natural language.

natural language processing (NLP) - Natural language processing (NLP) is the ability of a computer program to understand human language as it is spoken and written -- referred to as natural language.

natural language query - A natural language query is input that consists solely of terms or phrases spoken normally or entered as they might be spoken, without any non-language characters, such as the plus symbol or the asterisk, and without any special format or alteration of syntax.

natural language understanding (NLU) - Natural language understanding (NLU) is a branch of artificial intelligence (AI) that works to use computers to understand input made in the form of sentences in text or speech format.

natural number - A natural number is a number that occurs commonly and obviously in nature.

natural user interface - A natural user interface (NUI) is a system for human-computer interaction that the user operates through intuitive actions related to natural, everyday human behavior.

natural user interface (NUI) - A natural user interface (NUI) is a system for human-computer interaction that the user operates through intuitive actions related to natural, everyday human behavior.

Navy Knowledge Online - Navy Knowledge Online (NKO) is the United States Navy intranet.

NBA - Network behavior analysis (NBA) is a method of enhancing the security of a proprietary network by monitoring traffic and noting unusual actions or departures from normal operation.

NBAD - Network behavior anomaly detection (NBAD) is the continuous monitoring of a proprietary network for unusual events or extraordinary trends.

NBAR - Network Based Application Recognition (NBAR) is a mechanism that classifies and regulates bandwidth for network applications to ensure that available resources are utilized as efficiently as possible.

NBAR (Network Based Application Recognition) - Network Based Application Recognition (NBAR) is a mechanism that classifies and regulates bandwidth for network applications to ensure that available resources are utilized as efficiently as possible.

NBASE-T Ethernet - NBASE-T Ethernet is an IEEE standard and Ethernet-signaling technology that allows existing twisted-pair copper cabling to exceed the cable's specified limit of 1 Gbps for distances of up to 100 meters.

NBMA - NBMA (non-broadcast multiple access) is one of four network types in the OSPF (Open Shortest Path First) communications protocol.

NBMA (non-broadcast multiple access) - NBMA (non-broadcast multiple access) is one of four network types in the OSPF (Open Shortest Path First) communications protocol.

NC - A network computer (NC) is a concept from Oracle and Sun Microsystems that describes a low-cost personal computer for business networks that, like the NetPC, would be configured with only essential equipment (including CD-ROM players, diskette drives or expansion slots) and managed centrally.

NCA - A native cloud application (NCA) is a program that is designed specifically for a cloud computing architecture.

NCFA - In the U.K.

NCM - Network configuration management is the process of organizing and maintaining information about all of the components in a computer network.

NCR (no country redirect) - An explanation of the NCR (no country redirect) search parameter.

NCSA - NCSA at the University of Illinois in Urbana, Illinois is the home of the first Web browser that had a graphical user interface.

NCSC - The National Computer Security Center (NCSC) is a U.

NCVHS - The National Committee on Vital and Health Statistics (NCVHS) is an advisory body to the U.

NDA - A non-disclosure agreement (NDA), also known as a confidentiality agreement (CA), is a signed legally binding contract in which one party agrees to give a second party confidential information about its business or products and the second party agrees not to share this information with anyone else for a specified period of time.

NDIS - NDIS (Network Driver Interface Specification) is a Windows specification for how communication protocol programs (such as TCP/IP) and network device driver should communicate with each other.

NDIS (Network Driver Interface Specification) - NDIS (Network Driver Interface Specification) is a Windows specification for how communication protocol programs (such as TCP/IP) and network device driver should communicate with each other.

NDMP - NDMP (Network Data Management Protocol) is an open protocol used to control data backup and recovery communications between primary and secondary storage in a heterogeneous network environment.

NDMP (Network Data Management Protocol) - NDMP (Network Data Management Protocol) is an open protocol used to control data backup and recovery communications between primary and secondary storage in a heterogeneous network environment.

NDS - Novell Directory Services (NDS) is a popular software product for managing access to computer resources and keeping track of the users of a network, such as a company's intranet, from a single point of administration.

near CDP - Near-continuous data protection, sometimes called near-continuous protection, is a general term for backup and recovery products that take snapshots at set intervals.

near continuous data protection - Near-continuous data protection, sometimes called near-continuous protection, is a general term for backup and recovery products that take snapshots at set intervals.

near end crosstalk - Also see NeXT, a computer company that developed a personal computer with an advanced user interface and operating system.

Near Field Communication - Near Field Communication (NFC) is a short-range wireless connectivity standard (Ecma-340, ISO/IEC 18092) that uses magnetic field induction to enable communication between devices when they're touched together, or brought within a few centimeters of each other.

Near Field Communication (NFC) - Near Field Communication (NFC) is a short-range wireless connectivity standard (Ecma-340, ISO/IEC 18092) that uses magnetic field induction to enable communication between devices when they're touched together, or brought within a few centimeters of each other.

near-continuous data protection - Near-continuous data protection, sometimes called near-continuous protection, is a general term for backup and recovery products that take snapshots at set intervals.

near-continuous data protection (near CDP) - Near-continuous data protection, sometimes called near-continuous protection, is a general term for backup and recovery products that take snapshots at set intervals.

near-end crosstalk - Also see NeXT, a computer company that developed a personal computer with an advanced user interface and operating system.

near-end crosstalk (NeXT) - Also see NeXT, a computer company that developed a personal computer with an advanced user interface and operating system.

near-infrared illumination - Near-infrared illumination is a method of night vision wherein a device that is sensitive to invisible near infrared radiation is used in conjunction with an infrared illuminator.

nearables - Nearables are low-power transmitters that activate in the presence of a Bluetooth-enabled or Near Field Communication (NFC-enabled) computing device.

nearline storage - Nearline storage is the on-site storage of data on removable media.

nearshore outsourcing - Nearshore outsourcing is the practice of getting work done or services performed by people in neighboring countries rather than in your own country.

Nebula - Nebula is an open source cloud computing program that provides on-demand computing power for NASA researchers and scientists.

NECP - The National Emergency Communications Plan (NECP) is a strategic plan for improving emergency response communications and efforts in the United States.

NED - A nano-emissive display (NED) is a high-resolution, full-color, lightweight, physically thin display that uses carbon nanotube technology.

NEDSS - The National Electronic Disease Surveillance System (NEDSS) is a secure online framework that allows healthcare professionals and government agencies to communicate about disease patterns and coordinate national response to outbreaks.

needs assessment - A needs assessment is an exercise that identifies the difference between a current condition/state and the desired condition/state.

negative acknowledgement - NAK is an abbreviation for negative acknowledgment or not acknowledged.

negative correlation - A negative correlation is a relationship between two variables such that as the value of one variable increases, the other decreases.

negative float (negative slack) - Negative float or slack is time that must be made up on a task on a project's critical path so that it does not delay the completion of a project.

negativity bias - Negativity bias is the tendency of humans to place more significance on negative events than neutral or positive ones.

negawatt - A negawatt is a negative megawatt: a megawatt of power saved by increasing efficiency or reducing consumption.

NeGP - National eGovernance Plan (NeGP) is an initiative by the government of India to combine various e-governance systems around the country to create a national network that provides government services to all citizens electronically.

neighborhood electric vehicle (NEV) - A neighborhood electric vehicle (NEV) is a type of battery-electric vehicle that is capable of traveling at a maximum speed of 25 mph and which has a maximum loaded weight of 3,000 lbs.

nematic liquid crystal - A nematic liquid crystal is a transparent or translucent liquid that causes the polarization (that is, the focusing in a plane) of light waves to change as the waves pass through the liquid.

neo-luddite - A Luddite is a person who dislikes technology, especially technological devices that threaten existing jobs or interfere with personal privacy.

Neo4j - Neo4j is a NoSQL graph database management system.

neologism - A neologism (pronounced nee-AH-low-djism) is a newly invented word or term.

NERC - North American Electric Reliability Corporation (NERC) is an institution that oversees and regulates the reliability of the North American electrical grids.

NERC CIP (critical infrastructure protection) - The NERC CIP (critical infrastructure protection) plan is a set of requirements designed to secure assets vital to reliably operating North America's bulk electric system.

nerd - A nerd is a technically bright but socially inept person.

Nessus - Nessus is an open-source network vulnerability scanner that uses the Common Vulnerabilities and Exposures architecture for easy cross-linking between compliant security tools.

Nest Labs - Nest Labs was a home automation specialist company that produced programmable Wi-Fi-enabled products that can be remotely controlled through a Web service or an associated smart home app.

nested - In general, something that is nested is fully contained within something else of the same kind.

nested virtualization - Nested virtualization describes the process of running a hypervisor within another hypervisor.

nested VM (nested virtual machine) - A nested VM (nested virtual machine) is a virtual machine contained within another VM.

net - "net" is a top-level domain name.

NET 3.0 - .NET 3.

Net appliance - An Internet appliance (sometimes called a Net appliance, a smart appliance or an information appliance) is a machine designed for a specific function that also has a built-in Web-enabled computer.

net bias - Net bias is discrimination of price, content quality, connection reliability and speed that Internet service providers (ISP) can enact on users based on arbitrary conditions.

net filter - Netfilter is a utility in Linux 2.

Net fridge - An Internet refrigerator (sometimes called a Net fridge) is a version of the familiar kitchen appliance with a built-in computer that can be connected to the Internet.

net income - Net income is the amount of money left after all the expenses of a business have been subtracted from the gross revenue for a given reporting period, such as a fiscal quarter.

Net indexer 2 - Ni2 (Net indexer 2) is the indexer for the AltaVista public search engine.

Net Neutrality - Net neutrality is the principle that data packets on the Internet should be moved impartially, without regard to content, destination or source.

Net present value - Net present value (NPV), also called net present worth (NPW), is an approach to evaluating investments that assesses the difference between all the revenue the investment can be expected to achieve over its whole life and all the costs involved, taking inflation into consideration inflation and discounting both future costs and revenue at an appropriate rate.

Net present value (NPV) - Net present value (NPV), also called net present worth (NPW), is an approach to evaluating investments that assesses the difference between all the revenue the investment can be expected to achieve over its whole life and all the costs involved, taking inflation into consideration inflation and discounting both future costs and revenue at an appropriate rate.

net price - Net price is the value at which a product or service is sold after all taxes and other costs are added and all discounts subtracted.

Net Promoter Score (NPS) - Net Promoter Score (NPS) is a metric for assessing customer loyalty for a company's brand, products or services.

Net-SNMP (Net Simple Network Management Protocol) - Net-SNMP is a set of tools and libraries for implementing the Simple Network Management Protocol (SNMP) on enterprise networks.

net-zero energy building - A net-zero energy (NZE) building is one that produces as much energy, from renewable sources, as it uses.

NetApp - NetApp, formerly Network Appliance Inc.

NetApp Data Fabric - The products and services that compose NetApp’s Data Fabric are designed to provide customers with the agility they need to quickly and efficiently move data to and from the cloud.

NetApp Insight - NetApp Insight is an annual technical conference series for NetApp, a computer storage and data management company.

NetApp SolidFire - NetApp SolidFire is a business division of NetApp Inc.

NetBeans - NetBeans is a Java-based integrated development environment (IDE).

NetBEUI - NetBEUI (NetBIOS Extended User Interface) is a new, extended version of NetBIOS, the program that lets computers communicate within a local area network.

NetBEUI (NetBIOS Extended User Interface) - NetBEUI (NetBIOS Extended User Interface) is a new, extended version of NetBIOS, the program that lets computers communicate within a local area network.

NetBIOS - NetBIOS (Network Basic Input/Output System) is a program that allows applications on different computers to communicate within a local area network (LAN).

NetBIOS (Network Basic Input/Output System) - NetBIOS (Network Basic Input/Output System) is a program that allows applications on different computers to communicate within a local area network (LAN).

NetBIOS Extended User Interface - NetBEUI (NetBIOS Extended User Interface) is a new, extended version of NetBIOS, the program that lets computers communicate within a local area network.

netbook - A netbook is a small, light, low-power notebook computer that has less processing power than a full-sized laptop but is still suitable for word processing, running a Web browser and connecting wirelessly to the Internet.

Netcaster - Netcaster, a component of Netscape's Communicator (which includes the Netscape Navigator browser), allows a Web user to make preselected Web sites an integral part of the personal computer desktop and to have them automatically updated.

NETCONF - NETCONF is an IETF network management protocol that provides an administrator or network engineer with a secure way to configure a firewall, router, switch or other network device.

netfilter - Netfilter is a utility in Linux 2.

netfilter/iptables - Netfilter is a utility in Linux 2.

Netfinity - IBM's Netfinity is an Intel-based enterprise server line that is based on IBM's X-architecture.

Netflix Spinnaker - Netflix Spinnaker is an open source, multi-cloud continuous delivery application that can be used to release software updates rapidly and efficiently.

NetFlow - NetFlow is a network protocol developed by Cisco for the collection and monitoring of network traffic flow data that is generated by most Cisco routers and switches.

netiquette - Netiquette is etiquette on the Internet.

netizen - The word netizen seems to have two similar meanings.

NetMagic Solutions - NetMagic Solutions is an India-based IT hosting and services provider whose specializations include cloud computing, infrastructure management, disaster recovery and application hosting.

netmask - In administering Internet sites, a netmask is a string of 0's and 1's that mask or screen out the network part of an IP address(IP) so that only the host computer part of the address remains.

NetOps - NetOps, also referred to as NetOps 2.

NetPC - The Net PC (also referred to as the Network PC) is an industry specification for a low-cost personal computer designed for businesses and their network applications.

NetPC (Network PC) - The Net PC (also referred to as the Network PC) is an industry specification for a low-cost personal computer designed for businesses and their network applications.

NetScaler (SDX) - Citrix NetScaler SDX is a service delivery networking platform for enterprise and cloud datacenters.

Netscape - Netscape Communications was a computer services company best known for its Web browser, Navigator.

Netscape Server Application Programming Interface - NSAPI (Netscape Server Application Programming Interface) is an (application program interface) that is provided with Netscape Web server to help developers build faster and more complex Web-based applications by extending the server capabilities.

Netscape Server Application Programming Interface (NSAPI) - NSAPI (Netscape Server Application Programming Interface) is an (application program interface) that is provided with Netscape Web server to help developers build faster and more complex Web-based applications by extending the server capabilities.

netsplit - In using an Internet Relay Chat (IRC) network, a netsplit is the loss of contact between two IRC servers.

netstat - Netstat is a common command line TCP/IP networking utility available in most versions of Windows, Linux, UNIX and other operating systems.

NetSuite - NetSuite is a business technology vendor based in San Mateo, California.

nettop - A nettop is a small, low-power and relatively inexpensive desktop computer.

network access control - Network access control (NAC), also called network admission control, is a method of bolstering the security of a proprietary network by restricting the availability of network resources to endpoint devices that comply with a defined security policy.

network access control (NAC) - Network access control (NAC), also called network admission control, is a method of bolstering the security of a proprietary network by restricting the availability of network resources to endpoint devices that comply with a defined security policy.

network access point - In the United States, a network access point (NAP) is one of several major Internet interconnection points that serve to tie all the Internet access providers together so that, for example, an AT&T user in Portland, Oregon can reach the Web site of a Bell South customer in Miami, Florida.

network access point (NAP) - In the United States, a network access point (NAP) is one of several major Internet interconnection points that serve to tie all the Internet access providers together so that, for example, an AT&T user in Portland, Oregon can reach the Web site of a Bell South customer in Miami, Florida.

Network Access Quarantine Control (NAQC) - Network Access Quarantine Control (NAQC) is a Resource Kit tool in Windows Server 2003 and Windows Server 2008 that allows administrators to prevent remote client computers from connecting to their network with machines that aren't secure.

network access server - A network access server (NAS) is a computer server that enables an independent service provider (ISP) to provide connected customers with Internet access.

network access server (NAS) - A network access server (NAS) is a computer server that enables an independent service provider (ISP) to provide connected customers with Internet access.

Network Address Translation - A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses.

Network Address Translation (NAT) - A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses.

network analytics - Network analytics is the application of big data principles and tools to the management and security of data networks.

network analyzer - A network analyzer is a combination of hardware and programming, or in some cases a stand-alone hardware device, that can be installed in a computer or network to enhance protection against malicious activity.

network analyzer (protocol analyzer or packet analyzer) - A network analyzer is a combination of hardware and programming, or in some cases a stand-alone hardware device, that can be installed in a computer or network to enhance protection against malicious activity.

network appliance - An appliance or "network appliance" is a term used to denote a relatively low-cost PC designed for Internet access and specialized business use, but without the capabilities of a fully-equipped PC.

Network as a Service (NaaS) - Network as a service (NaaS) is a business model for delivering enterprise-wide area network services virtually on a subscription basis.

network attached storage - Network-attached storage (NAS) is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve data from centralized disk capacity.

network attack surface - Every point of network interaction is a part of the network attack surface.

network automation - Network automation is a methodology in which software automatically configures, provisions, manages and tests network devices.

Network Based Application Recognition - Network Based Application Recognition (NBAR) is a mechanism that classifies and regulates bandwidth for network applications to ensure that available resources are utilized as efficiently as possible.

Network Basic Input Output System - NetBIOS (Network Basic Input/Output System) is a program that allows applications on different computers to communicate within a local area network (LAN).

Network Basic IO System - NetBIOS (Network Basic Input/Output System) is a program that allows applications on different computers to communicate within a local area network (LAN).

network behavior analysis - Network behavior analysis (NBA) is a method of enhancing the security of a proprietary network by monitoring traffic and noting unusual actions or departures from normal operation.

network behavior analysis (NBA) - Network behavior analysis (NBA) is a method of enhancing the security of a proprietary network by monitoring traffic and noting unusual actions or departures from normal operation.

network behavior anomaly detection - Network behavior anomaly detection (NBAD) is the continuous monitoring of a proprietary network for unusual events or extraordinary trends.

network behavior anomaly detection (NBAD) - Network behavior anomaly detection (NBAD) is the continuous monitoring of a proprietary network for unusual events or extraordinary trends.

Network Cabling Tutorials - (From the Computer Technical Tutorials Directory) Network Cabling Tutorials Network Tutorial: Cabling Covers Unshielded Twisted Pair (UTP), Shielded Twisted Pair (STP), Coaxial Cable, Fiber Optic Cable, Wireless LANs, and provides some cable installation guidelines Color Cabling Shows cabling color codes for several types of copper and fiber cable.

network coding - Network coding is a method of optimizing the flow of digital data in a network by transmitting digital evidence about messages.

network computer - A network computer (NC) is a concept from Oracle and Sun Microsystems that describes a low-cost personal computer for business networks that, like the NetPC, would be configured with only essential equipment (including CD-ROM players, diskette drives or expansion slots) and managed centrally.

network configuration management - Network configuration management is the process of organizing and maintaining information about all of the components in a computer network.

network configuration management (NCM) - Network configuration management is the process of organizing and maintaining information about all of the components in a computer network.

network convergence - Network convergence is the efficient coexistence of telephone, video and data communication within a single network.

Network Data Management Protocol - NDMP (Network Data Management Protocol) is an open protocol used to control data backup and recovery communications between primary and secondary storage in a heterogeneous network environment.

network device management program - A network tracking tool, also called a network device management program, is a program that helps a network administrator keep track of moves, additions, and changes (known as MACs) to the hardware infrastructure of a network.

network disaster recovery plan - A network disaster recovery plan is a set of procedures designed to prepare an organization to respond to an interruption of network services during a natural or manmade catastrophe.

network drive - A network drive is a storage device on a local access network (LAN) within a business or home.

Network Driver Interface Specification - NDIS (Network Driver Interface Specification) is a Windows specification for how communication protocol programs (such as TCP/IP) and network device driver should communicate with each other.

network encryption - Network encryption (sometimes called network layer, or network level encryption) is a network security process that applies crypto services at the network transfer layer - above the data link level, but below the application level.

network encryption (network layer or network level encryption) - Network encryption (sometimes called network layer, or network level encryption) is a network security process that applies crypto services at the network transfer layer - above the data link level, but below the application level.

network engineer - A network engineer is a technology professional who has the necessary skills to plan, implement and oversee the computer networks that support in-house voice, data, video and wireless network services.

network fabric - Network fabric is an industry term that describes a network topology in which devices pass data to each other through interconnecting switches.

Network File System - The Network File System (NFS) is a client/server application that lets a computer user view and optionally store and update files on a remote computer as though they were on the user's own computer.

Network File System (NFS) - The Network File System (NFS) is a client/server application that lets a computer user view and optionally store and update files on a remote computer as though they were on the user's own computer.

network forensics - Network forensics is the capture, recording, and analysis of network events in order to discover the source of security attacks or other problem incidents.

network functions virtualization (NFV) - Network functions virtualization (NFV) is an initiative to virtualize network services traditionally run on proprietary, dedicated hardware.

network hypervisor - A network hypervisor is a program that provides an abstraction layer for network hardware.

Network Information Center handle - A NIC (Network Information Center) handle is an alphanumeric character sequence that is unique for each entry in the database of all Internet domain name registrants.

Network Information System - NIS (Network Information System) is a network naming and administration system for smaller networks that was developed by Sun Microsystems.

network intelligence (NI) - Network Intelligence (NI) is the capacity of a network to examine data packets continuously and in real time.

Network Intelligence India - Network Intelligence India Pvt.

Network Intelligence India Pvt Ltd - Network Intelligence India Pvt.

Network Intelligence India Pvt. Ltd. - Network Intelligence India Pvt.

Network Intelligence India Pvt. Ltd. (NII Consulting) - Network Intelligence India Pvt.

network interface card - A network interface card (NIC) is a hardware component, typically a circuit board or chip, that is installed on a computer so that it can connect to a network.

network interface card (NIC) - A network interface card (NIC) is a hardware component, typically a circuit board or chip, that is installed on a computer so that it can connect to a network.

Network interface device - A network interface unit (NIU) (sometimes called a network interface device) is a device that serves as a common interfacefor various other devices within a local area network (LAN), or as an interface to allow networked computers to connect to an outside network.

network interface unit - A network interface unit (NIU) (sometimes called a network interface device) is a device that serves as a common interfacefor various other devices within a local area network (LAN), or as an interface to allow networked computers to connect to an outside network.

network interface unit (NIU or Network Interface Device) - A network interface unit (NIU) (sometimes called a network interface device) is a device that serves as a common interfacefor various other devices within a local area network (LAN), or as an interface to allow networked computers to connect to an outside network.

network intrusion detection system - Host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS) are methods of security management for computers and networks.

network intrusion detection systems - Host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS) are methods of security management for computers and networks.

network intrusion protection system - A network intrusion protection system (NIPS) is an umbrella term for a combination of hardware and software systems that protect computer networks from unauthorized access and malicious activity.

network intrusion protection system (NIPS) - A network intrusion protection system (NIPS) is an umbrella term for a combination of hardware and software systems that protect computer networks from unauthorized access and malicious activity.

Network Job Entry - Network Job Entry (NJE) is an application designed for the transfer of commands, messages, programs, and jobs among different computing systems in a network.

Network layer - Located at Layer 3 of the Open Systems Interconnection (OSI) communications model, the primary function of the network layer is to move data into and through other networks.

network layer - Network encryption (sometimes called network layer, or network level encryption) is a network security process that applies crypto services at the network transfer layer - above the data link level, but below the application level.

network level encryption - Network encryption (sometimes called network layer, or network level encryption) is a network security process that applies crypto services at the network transfer layer - above the data link level, but below the application level.

network load balancing - Load balancing is a technique used to distribute workloads uniformly across servers or other compute resources to optimize network efficiency, reliability and capacity.

Network Load Balancing (NLB) - Network Load Balancing is a Windows Server feature that can distribute network traffic among multiple servers.

Network Management Definitions - This is a WhatIs.

network management system - A network management system (NMS) is an application or set of applications that lets network engineers manage a network's independent components inside a bigger network management framework and performs several key functions.

network monitoring - Network monitoring is the practice of consistently overseeing a computer network for any failures or deficiencies to ensure continued network performance.

network neutrality - Net neutrality is the principle that data packets on the Internet should be moved impartially, without regard to content, destination or source.

Network News Transfer Protocol - NNTP (Network News Transfer Protocol) is the predominant protocol used by computer clients and servers for managing the notes posted on Usenet newsgroups.

network node - A network node is an endpoint or redistribution connection point for data transmissions on a communications network that can process or forward transmissions to other nodes.

Network Node Manager - The Network Node Manager i (NNMi) is a program that helps a network administrator view and manage the conditions in a computer network.

Network Node Manager i (NNMi) - The Network Node Manager i (NNMi) is a program that helps a network administrator view and manage the conditions in a computer network.

network operating system - A network operating system (NOS) is a computer operating system (OS) that is designed primarily to support workstations, personal computers and, in some instances, older terminals that are connected on a local area network (LAN).

network operating system (NOS) - A network operating system (NOS) is a computer operating system (OS) that is designed primarily to support workstations, personal computers and, in some instances, older terminals that are connected on a local area network (LAN).

network operations center - A network operations center (NOC) is a place from which administrators supervise, monitor and maintain a telecommunications network.

network operations center (NOC) - A network operations center (NOC) is a place from which administrators supervise, monitor and maintain a telecommunications network.

network orchestration - Network orchestration is a policy-driven approach to network automation that coordinates the hardware and software components a software application or service requires to run.

network order - Endianness is a term that describes the order in which a sequence of bytes are stored in computer memory.

network packet - A packet is the unit of data that is routed between an origin and a destination on the Internet or any other packet-switched network.

Network PC - The Net PC (also referred to as the Network PC) is an industry specification for a low-cost personal computer designed for businesses and their network applications.

network performance monitoring - Network performance monitoring is a process of measuring and monitoring the quality of service of a network to understand if it is properly operating.

network perimeter - A network perimeter is the boundary between the private and locally managed-and-owned side of a network and the public and usually provider-managed side of a network.

network protocol - A network protocol is a set of established rules that dictate how to format, transmit and receive data so that computer network devices -- from servers and routers to endpoints -- can communicate, regardless of the differences in their underlying infrastructures, designs or standards.

network scanning - Network scanning is a procedure for identifying active devices on a network by employing a feature or features in the network protocol to signal devices and await a response.

network security - In information technology, network security is the act of maintaining the integrity of a computer network and the data within it.

Network Service Access Point - The Network Service Access Point (NSAP) is one of two types of hierarchical addresses (the other type is the network entity title) used to implement Open Systems Interconnection (OSI) network layer addressing.

network service provider - A network service provider (NSP) is a company that owns, operates and sells access to internet backbone infrastructure and services.

network service provider (NSP) - A network service provider (NSP) is a company that owns, operates and sells access to internet backbone infrastructure and services.

network slicing - Network slicing overlays multiple virtual networks on top of a shared network.

network socket - Sockets are created and used with a set of programming requests or "function calls" sometimes called the sockets application programming interface (API).

network switch - A network switch is a hardware device that channels incoming data from multiple input ports to a specific output port that will take it toward its intended destination.

network tap - A network tap is an external monitoring device that mirrors the traffic that passes between two network nodes.

network terminating unit - Using the Integrated Services Digital Network (ISDN) Basic Rate Interchange (Basic Rate Interface in ISDN) service, an NT1 (network terminating unit is a device that accepts a two-wire signal from the phone company and converts it to a four-wire signal that sends and receives to and from devices within the home or business.

network terminator 1 - Using the Integrated Services Digital Network (ISDN) Basic Rate Interchange (Basic Rate Interface in ISDN) service, an NT1 (network terminating unit is a device that accepts a two-wire signal from the phone company and converts it to a four-wire signal that sends and receives to and from devices within the home or business.

Network Time Protocol - Network Time Protocol (NTP) is a protocol used to synchronize computer clock times in a network.

Network Time Protocol (NTP) - Network Time Protocol (NTP) is a protocol used to synchronize computer clock times in a network.

network topology - A network topology is the arrangement of nodes -- usually switches, routers, or software switch/router features -- and connections in a network, often represented as a graph.

network tracking tool - A network tracking tool, also called a network device management program, is a program that helps a network administrator keep track of moves, additions, and changes (known as MACs) to the hardware infrastructure of a network.

network traffic - Network traffic, sometimes referred to as data traffic, is the amount of data which moves across a network during any given time.

network unified storage - Unified storage -- sometimes called network unified storage or multiprotocol storage -- is a storage system that makes it possible to run and manage files and applications from a single device.

network virtualization - Network virtualization is a method of combining the available resources in a network to consolidate multiple physical networks, divide a network into segments or create software networks between virtual machines (VMs).

network visibility - Network visibility is an awareness of the components within and the data moving through an enterprise computer network.

network vulnerability scanning - A vulnerability scan detects and classifies system weaknesses in computers, networks and communications equipment and predicts the effectiveness of countermeasures.

network-attached storage - Network-attached storage (NAS) is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve data from centralized disk capacity.

network-attached storage (NAS) - Network-attached storage (NAS) is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve data from centralized disk capacity.

Network-attached storage (NAS) vocabulary quiz - How much do you know about the essential terminology related to network-attached storage (NAS)? Take our quiz to find out.

Networking (computer) - Networking, also known as computer networking, is the practice of transporting and exchanging data between nodes over a shared medium in an information system.

networking chip - A networking chip is a microprocessor that provides the logic for sending and receiving data (including voice and video) on a telecommunications network so that additional devices are not needed for these functions.

Networking Learning Guides - We've gathered a collection of our learning guides and tutorials on networking topics.

Networking Quizzes - We've gathered a collection of our quizzes to test your networking knowledge.

Netzip - Netzip is a plug-in for Web browsers that allows you to view the files within a zip file from within your browser without the need to launch an external application.

neural net processor - A neural net processor is a CPU that takes the modeled workings of how a human brain operates onto a single chip.

neurodiversity - Neurodiversity is the range of discrete variations in the nervous systems of individuals across the population, particularly in ways that are manifested in clusters of non-standard behaviors.

neurofeedback - Neurofeedback is a therapeutic method based on presenting to clients a real-time display of their brain activity and training them, over time, to learn to control that activity.

neuromarketing - Neuromarketing is the study of how people's brains respond to advertising and other brand-related messages by monitoring brainwave activity, eye-tracking and skin response.

neuromorphic chip - A neuromorphic chip is an analog data processor inspired by the biological brain.

neuromorphic computing - Neuromorphic computing is a method of computer engineering in which elements of a computer are modeled after systems in the human brain and nervous system.

neuroscience - Neuroscience is the area of study concerning the makeup and functioning of the nervous system.

neurosynaptic chip (cognitive chip) - A neurosynaptic chip, also known as a cognitive chip, is a computer processor that functions more like a biological brain than a typical CPU does.

neutrino - A neutrino is a sub atom ic particle with no electric charge.

neutron - A neutron is a subatomic particle found in the nucleus of every atom except that of simple hydrogen.

new collar jobs - New collar jobs are occupations which focus more on a candidate’s skills during the hiring process, rather than his or her level of education.

new media - New media is a catch-all term for all forms of electronic communication that have appeared or will appear since the original mainly text-and-static picture forms of online communication.

new product development - Product development, also called new product management, is a series of steps that includes the conceptualization, design, development and marketing of newly created or newly rebranded goods or services.

newb - A newbie (pronounced NOO-bee) is a novice or neophyte: anyone who is new to any particular type of endeavor, such as a sport or a technology.

newbie - A newbie (pronounced NOO-bee) is a novice or neophyte: anyone who is new to any particular type of endeavor, such as a sport or a technology.

Nework Address Translator - A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses.

newsfeed - A news feed (newsfeed) is list of newly published content on a website.

newsgroup - A newsgroup is a discussion about a particular subject consisting of notes written to a central Internet site and redistributed through Usenet, a worldwide network of news discussion groups.

newsjacking - Newsjacking is the practice of aligning a brand with a current event in an attempt to generate media attention and boost the brand's exposure.

NewsML - Based on the Extensible Markup Language (XML), NewsML is a standard way to describe news information content so that it can distributed and reused widely on Web sites and other media.

NewSQL - NewSQL is a term coined by the analyst firm The 451 Group as shorthand to describe vendors of new, scalable, high performance SQL databases.

newton - The newton is the Standard International (SI) unit of force.

newton second - The newton-second is the standard unit of impulse.

newton-second - The newton-second is the standard unit of impulse.

newton-second - The newton-second is the standard unit of impulse.

NeXT - NeXT was a computer company formed by Steven Jobs.

NeXT - Also see NeXT, a computer company that developed a personal computer with an advanced user interface and operating system.

NeXT computer - NeXT was a computer produced by a company formed by Steven Jobs.

Next Generation Secure Computing Base - The Next Generation Secure Computing Base (NGSCB) is a part of the Microsoft Vista operating system (OS) that employs a trusted platform module (TPM), a specialized chip that can be installed on the motherboard of a personal computer (PC) or server for the purpose of hardware authentication.

Next Generation Secure Computing Base (NGSCB) - The Next Generation Secure Computing Base (NGSCB) is a part of the Microsoft Vista operating system (OS) that employs a trusted platform module (TPM), a specialized chip that can be installed on the motherboard of a personal computer (PC) or server for the purpose of hardware authentication.

Next Hop Resolution Protocol - In a computer network, the Next Hop Resolution Protocol (NHRP) is a protocol or method that can be used so that a computer sending data to another computer can learn the most direct route (the fewest number of hops) to the receiving computer.

Next Hop Resolution Protocol (NHRP) - In a computer network, the Next Hop Resolution Protocol (NHRP) is a protocol or method that can be used so that a computer sending data to another computer can learn the most direct route (the fewest number of hops) to the receiving computer.

next issue avoidance (NIA) - Next issue avoidance (NIA) is a metric used by a company's support or customer service department to stay proactive when helping their customers by predicting related issues that might arise.

Next Steps in Signaling - NSIS (Next Steps in Signaling) is an evolving communication protocol intended to facilitate signaling at the Transport layer, using a two-level model to support diverse services and resources.

next-generation firewall (NGFW) - A next-generation firewall (NGFW) is a part of the third generation of firewall technology that is implemented in either hardware or software and is capable of detecting and blocking sophisticated attacks by enforcing security policies at the application, port and protocol levels.

Nexus - Nexus is a series of smartphones and tablets manufactured by Google and its hardware partners.

Nexus of Forces - The nexus of forces is a concept developed by consultancy Gartner Inc.

NFAT - An infinite sequence is a list or string of discrete objects, usually numbers, that can be paired off one-to-one with the set of positive integers {1, 2, 3,.

NFC - Near Field Communication (NFC) is a short-range wireless connectivity standard (Ecma-340, ISO/IEC 18092) that uses magnetic field induction to enable communication between devices when they're touched together, or brought within a few centimeters of each other.

NFR - Not for resale (NFR) is a designation for products that vendors give to their channel partners for testing and educational purposes with the understanding that the channel partner will not resell those products.

NFS - The Network File System (NFS) is a client/server application that lets a computer user view and optionally store and update files on a remote computer as though they were on the user's own computer.

NFTS - The national file tracking system (NFTS) is a centralized database for tracking the movement of immigration files.

NFV MANO (network functions virtualization management and orchestration) - NFV MANO (network functions virtualization management and orchestration), also called MANO, is an architectural framework for managing and orchestrating virtualized network functions (VNFs) and other software components.

NFVi (network functions virtualization infrastructure) - NFVi (network functions virtualization infrastructure) encompasses all of the networking hardware and software needed to support and connect virtual network functions in carrier networks.

NGA Human Resources - NGA Human Resources, formerly NorthgateArinso, is a provider of human resources business process outsourcing (BPO) services and consulting.

Nginx - Nginx (pronounced engine x) is open source webserver software that also performs reverse proxy, load balancing, email proxy and HTTP cache services.

NGO - NGO definition: A non-governmental organization (NGO) is a citizen-based association that operates independently of government, usually to deliver resources or serve some social or political purpose.

NGO (non-governmental organization) - NGO definition: A non-governmental organization (NGO) is a citizen-based association that operates independently of government, usually to deliver resources or serve some social or political purpose.

NGSCB - The Next Generation Secure Computing Base (NGSCB) is a part of the Microsoft Vista operating system (OS) that employs a trusted platform module (TPM), a specialized chip that can be installed on the motherboard of a personal computer (PC) or server for the purpose of hardware authentication.

NHII - The National Health Information Infrastructure (NHII) was a government initiative first proposed under former President George W.

NHIN - The Nationwide Health Information Network (NHIN) is a set of standards, services and policies that enable secure health information exchange (HIE) over the Internet.

NHIN Direct - NHIN Direct is a project being developed by the Nationwide Health Information Network that aims to enable secure health information exchange (HIE) over the Internet for primary care physicians, specialists and public health agencies.

NHRP - In a computer network, the Next Hop Resolution Protocol (NHRP) is a protocol or method that can be used so that a computer sending data to another computer can learn the most direct route (the fewest number of hops) to the receiving computer.

NHS - The National Health Service (NHS) is the publicly funded national healthcare system in the United Kingdom.

Ni-Cd - The Nickel Cadmium (Ni-Cd) battery is a type of battery commonly used in portable computers, camcorders, portable drills, and other small battery-powered devices, having an effective and even power discharge.

Ni-Cd battery - The Nickel Cadmium (Ni-Cd) battery is a type of battery commonly used in portable computers, camcorders, portable drills, and other small battery-powered devices, having an effective and even power discharge.

Ni-MH - The Nickel-Metal Hydride (Ni-MH) battery is a rechargeable power source that is increasingly used in portable computers and other devices.

Ni-MH battery - The Nickel-Metal Hydride (Ni-MH) battery is a rechargeable power source that is increasingly used in portable computers and other devices.

Ni2 - Ni2 (Net indexer 2) is the indexer for the AltaVista public search engine.

Ni2 (Net indexer 2) - Ni2 (Net indexer 2) is the indexer for the AltaVista public search engine.

nibble - In computers and digital technology, a nibble (pronounced NIHB-uhl; sometimes spelled nybble) is four binary digits or half of an eight-bit byte.

nibble - A quadbit, sometimes called a nibble, is one of 16 possible four-bit combinations used in some communication signals.

NIC - A network interface card (NIC) is a hardware component, typically a circuit board or chip, that is installed on a computer so that it can connect to a network.

NIC handle - A NIC (Network Information Center) handle is an alphanumeric character sequence that is unique for each entry in the database of all Internet domain name registrants.

NiCd - The Nickel Cadmium (Ni-Cd) battery is a type of battery commonly used in portable computers, camcorders, portable drills, and other small battery-powered devices, having an effective and even power discharge.

niche app - A niche app is a specialized application, typically designed with social networking built in and optimized for mobile devices.

niche marketing - Niche marketing is a targeted marketing strategy aimed at small, specific and well-defined portions of the population.

niche off-the-shelf - COTS, MOTS, GOTS, and NOTS are abbreviations that describe pre-packaged software or hardware purchase alternatives.

Nicira Inc. - Nicira is a network virtualization and SDN (software-defined networking) company that Martin Casado, Nick McKeown and Scott Shenker founded in 2007.

Nicira Network Virtualization Platform (Nicira NVP) - Nicira NVP is network virtualization software that manages an abstraction layer between end systems and the physical network infrastructure and enables the creation of independently operable virtual networks.

Nickel-Cadmium battery - The Nickel Cadmium (Ni-Cd) battery is a type of battery commonly used in portable computers, camcorders, portable drills, and other small battery-powered devices, having an effective and even power discharge.

Nickel-Cadmium battery (Ni-Cd or NiCd) - The Nickel Cadmium (Ni-Cd) battery is a type of battery commonly used in portable computers, camcorders, portable drills, and other small battery-powered devices, having an effective and even power discharge.

Nickel-Metal Hydride - The Nickel-Metal Hydride (Ni-MH) battery is a rechargeable power source that is increasingly used in portable computers and other devices.

Nickel-Metal Hydride battery - The Nickel-Metal Hydride (Ni-MH) battery is a rechargeable power source that is increasingly used in portable computers and other devices.

Nickel-Metal Hydride battery (Ni-MH or NiMH) - The Nickel-Metal Hydride (Ni-MH) battery is a rechargeable power source that is increasingly used in portable computers and other devices.

NIDS - Host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS) are methods of security management for computers and networks.

Nifty (NSE Nifty) - The S&P CNX Nifty (also known as NSE Nifty or NSE-50 or 'Nifty'), is the benchmark index used by the National Stock Exchange (NSE).

night vision - Night vision is technology that provides users with some vision in total darkness and improved vision in low-light environments.

NIH - The National Institutes of Health (NIH) is the principal federal agency for health research in the United States.

NII Consulting - Network Intelligence India Pvt.

Nikola Tesla - Nikola Tesla was a Serbian-American scientist, electrical engineer, and inventor whose research laid much of the groundwork for modern electrical and communication systems.

nil - In general use, nil (a contraction of Latin "nihil") means "nothing" or the absence of something.

Nimboxx Inc. - Nimboxx Inc.

Nimda - First appearing on September 18, 2001, Nimda is a computer virus that caused traffic slowdowns as it rippled across the Internet, spreading through four different methods, infecting computers containing Microsoft's Web server, Internet Information Server (IIS), and computer users who opened an e-mail attachment.

NiMH - The Nickel-Metal Hydride (Ni-MH) battery is a rechargeable power source that is increasingly used in portable computers and other devices.

nine-box grid - The nine-box grid is a human resource management (HRM) tool used by supervisors to rate the performance and potential of employees.

Ning - Ning iNing is an web-based social network platform that allows an organization to build customized social websites and interactive virtual communities.

Nintex Sign - Nintex Sign is a native electronic signature capability that is powered by Adobe Sign.

NIPS - A network intrusion protection system (NIPS) is an umbrella term for a combination of hardware and software systems that protect computer networks from unauthorized access and malicious activity.

NIS - NIS (Network Information System) is a network naming and administration system for smaller networks that was developed by Sun Microsystems.

NIS (Network Information System) - NIS (Network Information System) is a network naming and administration system for smaller networks that was developed by Sun Microsystems.

NIS+ - NIS (Network Information System) is a network naming and administration system for smaller networks that was developed by Sun Microsystems.

NIST - NIST is the National Institute of Standards and Technology, a unit of the U.

NIST (National Institute of Standards and Technology) - NIST is the National Institute of Standards and Technology, a unit of the U.

NIST 800 Series - The NIST 800 Series is a set of documents that describe United States federal government computer security policies, procedures and guidelines.

NIST Cybersecurity Framework - The NIST Cybersecurity Framework (NIST CSF) is a policy framework surrounding IT infrastructure security.

NIST F1 - An atomic clock is the most accurate type of timepiece in the world, designed to measure time according to vibrations within atom s.

NIST Privacy Framework - The NIST Privacy Framework is a voluntary tool created by the National Institute of Standards and Technology, which lays out strategies for private sector organizations to improve their data risk management practices.

NIST-F1 - An atomic clock is the most accurate type of timepiece in the world, designed to measure time according to vibrations within atom s.

nit - In information technology as elsewhere, a nit (pronounced NIHT) is a small, usually unimportant imperfection in something.

NIU - A network interface unit (NIU) (sometimes called a network interface device) is a device that serves as a common interfacefor various other devices within a local area network (LAN), or as an interface to allow networked computers to connect to an outside network.

NJE - Network Job Entry (NJE) is an application designed for the transfer of commands, messages, programs, and jobs among different computing systems in a network.

NKO - Navy Knowledge Online (NKO) is the United States Navy intranet.

NLM - The U.S.

NLP - Natural language processing (NLP) is the ability of a computer program to understand human language as it is spoken and written -- referred to as natural language.

NLX - NLX is an industry-wide open specification for a space-saving computer motherboard.

NNI - The National Nanotechnology Initiative (NNI) is a research-and development (R & D) program funded by the U.

NNM - The Network Node Manager i (NNMi) is a program that helps a network administrator view and manage the conditions in a computer network.

NNTP - NNTP (Network News Transfer Protocol) is the predominant protocol used by computer clients and servers for managing the notes posted on Usenet newsgroups.

NNTP (Network News Transfer Protocol) - NNTP (Network News Transfer Protocol) is the predominant protocol used by computer clients and servers for managing the notes posted on Usenet newsgroups.

no op - A no op (or no-op), for no operation, is a computer instruction that takes up a small amount of space but specifies no operation.

no op (no operation) - A no op (or no-op), for no operation, is a computer instruction that takes up a small amount of space but specifies no operation.

no operation - A no op (or no-op), for no operation, is a computer instruction that takes up a small amount of space but specifies no operation.

no-code - No-code is a software development approach that requires few, if any, programming skills to quickly build an application.

no-fly zone - A no-fly zone is a geographic location over which aircraft cannot fly.

no-swipe credit card - A no-swipe credit card is a credit card equipped with a radio frequency (RF) transponder that allows for purchases without the need for passing the card through a traditional magnetic-stripe detection machine.

NOAA Weather Radio - NOAA Weather Radio (NWR) is an emergency broadcasting system operated by the U.

NOAA Weather Radio (NWR) - NOAA Weather Radio (NWR) is an emergency broadcasting system operated by the U.

NOC - A network operations center (NOC) is a place from which administrators supervise, monitor and maintain a telecommunications network.

Node.js - Node.js, often called simply "Node" in conversation, is a development platform built on top of Google's V8 JavaScript virtual machine.

nofollow - Nofollow is a meta tag that can be added to a site’s robots.

noise - Noise is unwanted electrical or electromagnetic energy that degrades the quality of signals and data.

noisy channel model - The noisy channel model is a framework used in natural language processing (NLP) to identify the correct word in situations where it is unclear.

noisy data - Noisy data is meaningless data.

noisy neighbor (cloud computing performance) - Noisy neighbor is a phrase used to describe a cloud computing infrastructure co-tenant that monopolizes bandwidth, disk I/O, CPU and other resources, and can negatively affect other users' cloud performance.

noisy text - Noisy text is an electronically-stored communication that cannot be categorized properly by a text mining software program.

Nokia Lumia - Nokia Lumia is a series of touch-based Windows Phone 7 and Windows Phone 8 smartphones that debuted in 2011.

nomadic computing - Mobile computing is the use of portable computing devices in conjunction with mobile technology that enables users to access the internet and data on mobile devices anytime, anywhere.

nomadicity - Nomadicity is the tendency of a person, or group of people, to move with relative frequency.

nomophobia - Nomophobia is the irrational fear of being without your mobile phone or being unable to use your phone for some reason, such as the absence of a signal, a low battery or running out of minutes.

non broadcast multiple access - NBMA (non-broadcast multiple access) is one of four network types in the OSPF (Open Shortest Path First) communications protocol.

non disclosure agreement - A non-disclosure agreement (NDA), also known as a confidentiality agreement (CA), is a signed legally binding contract in which one party agrees to give a second party confidential information about its business or products and the second party agrees not to share this information with anyone else for a specified period of time.

non governmental organization - NGO definition: A non-governmental organization (NGO) is a citizen-based association that operates independently of government, usually to deliver resources or serve some social or political purpose.

non heatset - Coldset Web offset printing (also known as non-heatset) is a Web offset printing process in which ink is allowed to dry naturally through evaporation and absorption.

non return to zero - NRZ (non-return-to-zero) refers to a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant DC (direct-current) voltage s.

non uniform memory access - NUMA (non-uniform memory access) is a method of configuring a cluster of microprocessor in a multiprocessing system so that they can share memory locally, improving performance and the ability of the system to be expanded.

non-breaking space - The non-breaking space is a special character used in Hypertext Markup Language (HTML) code to represent a non-breaking, or blank, space.

non-broadcast multiple access - NBMA (non-broadcast multiple access) is one of four network types in the OSPF (Open Shortest Path First) communications protocol.

non-compete agreement (NCA) - A non-compete agreement (NCA) is a legally binding restrictive covenant designed to prevent the signee from exploiting competitive advantages gained through association with the other party in the agreement.

non-disclosure agreement - A non-disclosure agreement (NDA), also known as a confidentiality agreement (CA), is a signed legally binding contract in which one party agrees to give a second party confidential information about its business or products and the second party agrees not to share this information with anyone else for a specified period of time.

non-disclosure agreement (NDA) - A non-disclosure agreement (NDA), also known as a confidentiality agreement (CA), is a signed legally binding contract in which one party agrees to give a second party confidential information about its business or products and the second party agrees not to share this information with anyone else for a specified period of time.

non-disruptive data migration - Non-disruptive data migration is a feature that allows data movement from one storage device to another without causing downtime in the environment.

non-disruptive upgrade (NDU) - A non-disruptive upgrade (NDU) is an update to software or hardware done without interruption to system service or data access.

non-governmental organization - NGO definition: A non-governmental organization (NGO) is a citizen-based association that operates independently of government, usually to deliver resources or serve some social or political purpose.

non-heatset - Coldset Web offset printing (also known as non-heatset) is a Web offset printing process in which ink is allowed to dry naturally through evaporation and absorption.

non-impact - Test yourself.

non-interlaced display - A non-interlaced display is a cathode-ray tube (CRT) display in which the lines are scanned sequentially from the top to the bottom of the screen.

non-practicing entity (NPE) - A non-practicing entity (NPE) is someone who holds a patent for a product or process but has no intentions of developing it.

non-profit organization (NPO) - A non-profit organization (NPO) is one which is not driven by profit but by dedication to a given cause that is the target of all income beyond what it takes to run the organization.

non-renewable resource - A non-renewable resource is one that either does not regenerate or does not regenerate quickly enough to serve some human purpose in a sustainable way.

non-repudiation - Nonrepudiation is the assurance that someone cannot deny something, such as the receipt of a message or the authenticity of a statement or contract.

non-return-to-zero - NRZ (non-return-to-zero) refers to a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant DC (direct-current) voltage s.

non-uniform memory access - NUMA (non-uniform memory access) is a method of configuring a cluster of microprocessor in a multiprocessing system so that they can share memory locally, improving performance and the ability of the system to be expanded.

non-virtual hosting - Non-virtual hosting is offering to host a Web site for an Internet user or company within the same domain name as that of the service provider.

non-volatile memory (NVM) - Non-volatile memory (NVMe) is a semiconductor technology that does not require a continuous power supply to retain the data or program code stored in a computing device.

non-volatile storage - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.

non-volatile storage (NVS) - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.

nonce - A nonce is a random or semi-random number that is generated for a specific use, typically related to cryptographic communication or information technology.

nonlinearity - Nonlinearity is the behavior of a circuit, particularly an amplifier, in which the output signal strength does not vary in direct proportion to the input signal strength.

nonrepudiation - Nonrepudiation is the assurance that someone cannot deny something, such as the receipt of a message or the authenticity of a statement or contract.

nonuniform rational B spline - NURBS (nonuniform rational B-splines) are mathematical representations of 2- or 3-dimensional objects, which can be standard shapes (such as a cone) or free-form shapes (such as a car).

nonuniform rational B-spline - NURBS (nonuniform rational B-splines) are mathematical representations of 2- or 3-dimensional objects, which can be standard shapes (such as a cone) or free-form shapes (such as a car).

nonuniform rational B-spline (NURBS) - NURBS (nonuniform rational B-splines) are mathematical representations of 2- or 3-dimensional objects, which can be standard shapes (such as a cone) or free-form shapes (such as a car).

nonvolatile RAM - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.

nonvolatile storage - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.

noob - A newbie (pronounced NOO-bee) is a novice or neophyte: anyone who is new to any particular type of endeavor, such as a sport or a technology.

NoOps - NoOps (no operations) is the concept that an IT environment can become so automated and abstracted from the underlying infrastructure that there is no need for a dedicated team to manage software in-house.

NOR - A logic gate is an elementary building block of a digital circuit.

NOR flash memory - NOR flash memory is one of two types of non-volatile storage technologies.

NORAD Santa tracker - Each year, NORAD tracks the geographical location of Santa Claus as he makes his annual trip delivering gifts to children around the world and makes that information available to the general public.

norm - A norm (from norma, Latin for carpenter's square) is a model of what should exist or be followed, or an average of what currently does exist in some context, such as an average salary among members of a large group.

normal distribution - A normal distribution is an arrangement of a data set in which most values cluster in the middle of the range and the rest taper off symmetrically toward either end.

normal forms - Database normalization is intrinsic to most relational database schemes.

normative - In general, normative - pertaining to a norm - has two related meanings: (a prescriptive meaning (for example, the rules specified in a standard or guideline), and (2) a descriptive meaning (for example, the median salary range in an particular occupation).

North American Electric Reliability Corporation - North American Electric Reliability Corporation (NERC) is an institution that oversees and regulates the reliability of the North American electrical grids.

North American Electric Reliability Corporation (NERC) - North American Electric Reliability Corporation (NERC) is an institution that oversees and regulates the reliability of the North American electrical grids.

northbound interface / southbound interface - A northbound interface is an interface that allows a particular component of a network to communicate with a higher-level component.

Northbridge - Northbridge is an Intel chipset that communicates with the computer processor and controls interaction with memory, the Peripheral Component Interconnect (PCI) bus, Level 2 cache, and all Accelerated Graphics Port (AGP) activities.

NOS - A network operating system (NOS) is a computer operating system (OS) that is designed primarily to support workstations, personal computers and, in some instances, older terminals that are connected on a local area network (LAN).

NoSQL - NoSQL is an approach to database management that can accommodate a wide variety of data models, including key-value, document, columnar and graph formats.

NoSQL (Not Only SQL database) - NoSQL is an approach to database management that can accommodate a wide variety of data models, including key-value, document, columnar and graph formats.

NoSQL DBMS (Not only SQL database management system) - Understanding the types of NoSQL DBMSes that are available is an important requirement for modern application development.

NOT - A logic gate is an elementary building block of a digital circuit.

not acknowledged - NAK is an abbreviation for negative acknowledgment or not acknowledged.

not element-of symbol - The element-of symbol is used in mathematical set theory to indicate that a point, object, or number belongs to a certain set.

not for resale - Not for resale (NFR) is a designation for products that vendors give to their channel partners for testing and educational purposes with the understanding that the channel partner will not resell those products.

not for resale (NFR) - Not for resale (NFR) is a designation for products that vendors give to their channel partners for testing and educational purposes with the understanding that the channel partner will not resell those products.

not invented here (NIH) syndrome - Not invented here (NIH) syndrome is the name of the tendency for management to resist change by overlooking processes or solutions discovered outside of the company.

Not Only SQL - NoSQL is an approach to database management that can accommodate a wide variety of data models, including key-value, document, columnar and graph formats.

notebook computer - A notebook computer is a battery- or AC-powered personal computer generally smaller than a briefcase that can easily be transported and conveniently used in temporary spaces such as on airplanes, in libraries, temporary offices, and at meetings.

Notes - Notes is a sophisticated groupware application from the Lotus Corporation, a subsidiary of IBM.

NOTS - COTS, MOTS, GOTS, and NOTS are abbreviations that describe pre-packaged software or hardware purchase alternatives.

noun - A noun is a word used to identify an entity, a place, a thing or a concept; respectively, for example, Grace Hopper, Silicon Valley, a smartphone and synchronicity.

Novell Directory Services - Novell Directory Services (NDS) is a popular software product for managing access to computer resources and keeping track of the users of a network, such as a company's intranet, from a single point of administration.

NOX - NOX is an open source development platform for C++-based software-defined networking (SDN) control applications.

NPD - Product development, also called new product management, is a series of steps that includes the conceptualization, design, development and marketing of newly created or newly rebranded goods or services.

NPI - A national provider identifier (NPI) is a unique ten-digit identification number required by HIPAA for covered healthcare providers in the United States.

NPIV - N_Port ID virtualization (NPIV) is a technology that allows a single host bus adaptor (HBA) called an "N_Port" to register multiple World Wide Port Names (WWPNs) and N_Port identification numbers.

NPV - Net present value (NPV), also called net present worth (NPW), is an approach to evaluating investments that assesses the difference between all the revenue the investment can be expected to achieve over its whole life and all the costs involved, taking inflation into consideration inflation and discounting both future costs and revenue at an appropriate rate.

NQF - The National Quality Forum (NQF) is a nonprofit organization based in Washington, D.

nroff - nroff and troff are UNIX commands (and the utilities that support them) for formatting text files for printing.

NRZ - NRZ (non-return-to-zero) refers to a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant DC (direct-current) voltage s.

NRZ (non-return-to-zero) - NRZ (non-return-to-zero) refers to a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant DC (direct-current) voltage s.

ns - (This definition follows U.

NSA - The National Security Agency is the official U.

NSAP - The Network Service Access Point (NSAP) is one of two types of hierarchical addresses (the other type is the network entity title) used to implement Open Systems Interconnection (OSI) network layer addressing.

NSAPI - NSAPI (Netscape Server Application Programming Interface) is an (application program interface) that is provided with Netscape Web server to help developers build faster and more complex Web-based applications by extending the server capabilities.

NSDG - National eGovernance Service Delivery Gateway (NSDG) is a mission mode project (MMP) under the National e-Governance Plan (NeGP) that acts as a central repository for government data.

nsec - (This definition follows U.

NSIS - NSIS (Next Steps in Signaling) is an evolving communication protocol intended to facilitate signaling at the Transport layer, using a two-level model to support diverse services and resources.

nslookup - nslookup is the name of a program that lets an Internet server administrator or any computer user enter a host name (for example, "whatis.

NSP - A network service provider (NSP) is a company that owns, operates and sells access to internet backbone infrastructure and services.

NT - Windows NT is a Microsoft Windows personal computer operating system designed for users and businesses needing advanced capability.

NT file system - NTFS, which stands for 'NT file system' and the 'New Technology File System,' is the file system that the Windows NT operating system (OS) uses for storing and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).

NT file system; sometimes New Technology File System - NTFS, which stands for 'NT file system' and the 'New Technology File System,' is the file system that the Windows NT operating system (OS) uses for storing and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).

NT1 - Using the Integrated Services Digital Network (ISDN) Basic Rate Interchange (Basic Rate Interface in ISDN) service, an NT1 (network terminating unit is a device that accepts a two-wire signal from the phone company and converts it to a four-wire signal that sends and receives to and from devices within the home or business.

NTBackup (Microsoft Windows NT backup) - NTBackup is a built-in backup application introduced with Microsoft Windows NT.

Ntdsutil - Ntdsutil.exe is a command-line tool for accessing and managing a Windows Active Directory database.

NTFS - NTFS, which stands for 'NT file system' and the 'New Technology File System,' is the file system that the Windows NT operating system (OS) uses for storing and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).

NTFS (NT File System) - NTFS, which stands for 'NT file system' and the 'New Technology File System,' is the file system that the Windows NT operating system (OS) uses for storing and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).

NTP - Network Time Protocol (NTP) is a protocol used to synchronize computer clock times in a network.

NTS - In the U.K.

NTSC - The NTSC (National Television Standards Committee) was responsible for developing, in 1953, a set of standard protocol for television (TV) broadcast transmission and reception in the United States.

NTT DoCoMo - DoCoMo, also known as NTT DoCoMo, is a Japanese communications corporation that has introduced a line of cell phone sets that contain the equivalent of a digital smart card.

nuclear fusion - Nuclear fusion is an atomic reaction in which multiple atoms combine to create a single, more massive atom.

nuclear option - The nuclear option, in a colloquial sense, is the most extreme solution to a given problem.

NUI - A natural user interface (NUI) is a system for human-computer interaction that the user operates through intuitive actions related to natural, everyday human behavior.

nuking - A "blue bomb" (also known as "WinNuke") is a technique for causing the Windows operating system of someone you're communicating with to crash or suddenly terminate.

null modem - A null modem cable allows you to connect your PC to another nearby PC or serial device using its modem protocol.

null set - In mathematical sets, the null set, also called the empty set, is the set that does not contain anything.

NUMA - NUMA (non-uniform memory access) is a method of configuring a cluster of microprocessor in a multiprocessing system so that they can share memory locally, improving performance and the ability of the system to be expanded.

NUMA (non-uniform memory access) - NUMA (non-uniform memory access) is a method of configuring a cluster of microprocessor in a multiprocessing system so that they can share memory locally, improving performance and the ability of the system to be expanded.

number once - A nonce is a random or semi-random number that is generated for a specific use, typically related to cryptographic communication or information technology.

number portability - Wireless number portability is the ability of a mobile customer to retain the same phone number when they switch carriers; wireline-to-wireless number portability allows customers to switch from their landline telephone service to a wireless provider while retaining the same telephone number.

number theory - Number theory, also known as higher arithmetic, is a branch of mathematics concerned with the properties of integer s, rational number s, irrational number s, and real number s.

number theory (higher arithmetic) - Number theory, also known as higher arithmetic, is a branch of mathematics concerned with the properties of integer s, rational number s, irrational number s, and real number s.

Number Translation Service - In the U.K.

number used once - A nonce is a random or semi-random number that is generated for a specific use, typically related to cryptographic communication or information technology.

numbers - A port number is a way to identify a specific process to which an Internet or other network message is to be forwarded when it arrives at a server.

numeric coprocessor - A floating point unit (FPU), also known as a math coprocessor or numeric coprocessor, is a specialized coprocessor that manipulates numbers more quickly than the basic microprocessor circuitry.

NUnit - NUnit is an evolving, open source framework designed for writing and running tests in Microsoft .

NuoDB - NuoDB is a SQL-oriented transactional database management system designed for distributed deployment in the cloud.

NURBS - NURBS (nonuniform rational B-splines) are mathematical representations of 2- or 3-dimensional objects, which can be standard shapes (such as a cone) or free-form shapes (such as a car).

NUS - Unified storage -- sometimes called network unified storage or multiprotocol storage -- is a storage system that makes it possible to run and manage files and applications from a single device.

Nutanix - Nutanix is a hyper-converged infrastructure pioneer that markets its technology as a building block for private clouds.

Nutanix Acropolis - Acropolis is a free server virtualization hypervisor developed by vendor Nutanix that is packaged on hyper-converged appliances, and can be used alongside competing hypervisors.

Nutanix Complete Cluster (Xtreme Computing Platform) - Nutanix Complete Cluster was one of the first hyper-converged infrastructures to hit the market.

Nutanix Prism - Users manage Nutanix hyper-converged infrastructure technology through Prism -- software that provides management of clusters, virtual machines and networking through a single interface.

NVDIMM (Non-Volatile Dual In-line Memory Module) - An NVDIMM (non-volatile dual in-line memory module) is hybrid computer memory that retains data during a service outage.

NVGRE (Network Virtualization using Generic Routing Encapsulation) - NVGRE (Network Virtualization using Generic Routing Encapsulation) is a network virtualization method that uses encapsulation to create large numbers of virtual LANs (VLANs) for subnets that can extend across dispersed data centers and Layers 2 and 3.

NVIDIA - NVIDIA is a graphics card manufacturer and graphics processing unit (GPU) designer.

NVLAP - The National Voluntary Laboratory Accreditation Program (NVLAP) is a federal program run by the National Institute of Standards and Technology that provides third-party accreditation to laboratories in the U.

NVMe (non-volatile memory express) - NVMe (non-volatile memory express) is a host controller interface and storage protocol created to accelerate the transfer speed of data between enterprise and client systems and solid-state drives (SSDs) over a computer's high-speed Peripheral Component Interconnect Express (PCIe) bus.

NVMe over Fabrics (NVMe-oF) - NVMe over Fabrics, also known as NVMe-oF and non-volatile memory express over fabrics, is a protocol specification designed to connect hosts to storage across a network fabric using the NVMe protocol.

NVMe over Fibre Channel (NVMe over FC) or FC-NVMe standard - Nonvolatile memory express over Fibre Channel (NVMe over FC) -- which is implemented through the Fibre Channel-NVMe (FC-NVMe) standard -- is a technology specification designed to enable NVMe-based message commands to transfer data and status information between a host computer and a target storage subsystem over a Fibre Channel network fabric.

NVRAM - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.

NVRAM (non-volatile random-access memory) - NVRAM (non-volatile random-access memory) refers to computer memory that can hold data even when power to the memory chips has been turned off.

NVS - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.

NWR - NOAA Weather Radio (NWR) is an emergency broadcasting system operated by the U.

nym - A nym (pronounced NIHM and a shortened form of "pseudonym,") is a name invented by or provided for an Internet user in order to conceal the user's real identity and, in some cases, to expressly create a new and separate Internet identity.

Nyquist Theorem - The Nyquist Theorem, also known as the sampling theorem, is a principle that engineers follow in the digitization of analog signals.

N�s - The newton-second is the standard unit of impulse.