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Computer Science

Definitions about computer science including computing fundamentals vocabulary, protocol and standards terminology, words about microprocessors and terms used in electronics.

Artificial intelligence - machine learning

Terms related to artificial intelligence (AI), including definitions about machine learning and words and phrases about training data, algorithms, natural language processing, neural networks and automation.

  • data mining

    Data mining is the process of sorting through large data sets to identify patterns and establish relationships to solve problems through data analysis.

  • augmented intelligence

    Augmented intelligence is an alternative conceptualization of artificial intelligence that focuses on AI's assistive role, emphasizing the fact that it is designed to supplement human intelligence rather than replace it.

  • technology ethics

    Technology ethics (tech ethics) is a field of study that seeks to understand and resolve moral issues that surround the development and practical application of mechanical and electronic technology.

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Computing fundamentals

Terms related to computer fundamentals, including computer hardware definitions and words and phrases about software, operating systems, peripherals and troubleshooting.

  • information technology (IT)

    Information technology (IT) is the use of any computers, storage, networking and other physical devices, infrastructure and processes to create, process, store, secure and exchange all forms of electronic data.

  • server

    A server is a computer program or device that provides a service to another computer program and its user, also known as the client.

  • software

    Software is a set of instructions, data or programs used to operate computers and execute specific tasks.

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Electronics

Terms related to electronics, including definitions about electrical components and words and phrases about computers, laptops parts, digital cameras, televisions and home appliances.

  • logic gate (AND, OR, XOR, NOT, NAND, NOR and XNOR)

    A logic gate is an elementary building block of a digital circuit. There are seven basic logic gates: AND, OR, XOR, NOT, NAND, NOR, and XNOR.

  • RFID tagging

    RFID tagging uses small radio frequency identification devices to track and identify objects.

  • delivery drone

    A delivery drone is a type of unmanned aerial vehicle (UAV) used for distributing packages to consumers through advanced AI technology.

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Fast references

Fast References and Quick Look-Ups for specific information technology (IT) topics.

  • motor vehicle record (MVR)

    A motor vehicle record (MVR) is the documentation of a person’s driving history. The information in an MVR includes personally identifiable information (PII) as well as information about the driver's traffic citations, vehicular crimes, accidents, driving under the influence (DUI) convictions and the number of points on the individual’s driver’s license.

  • United States Department of Energy (DOE)

    United States Department of Energy (DOE) is a federal cabinet agency that is tasked with overseeing the energy economy, energy policies and energy security of the U.S. The agency creates policies for nuclear power, fossil fuel and alternative energy sources.

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IT standards and organizations

Terms related to information technology (IT) standards, including definitions about IT organizations and words and phrases about policies and compliance.

  • Routing Information Protocol (RIP)

    RIP (Routing Information Protocol) is a protocol used to enable routers to share information about IP traffic routes as they move traffic within a larger network made up of separate LANs linked through routers.

  • alphanumeric (alphameric)

    Alphanumeric, also referred to as alphameric, is a term that encompasses all of the letters and numerals in a given language set.

  • statistical mean, median, mode and range

    Calculating the mean, median, mode and range of a set of numbers allows you to track changes over time and set acceptable ranges and variance. Here's how to find your data's mean, median, mode or range, and what it tells you.

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Learning guides

Guides and tutorials related to specific subjects including security, storage, programming, IT governance, data transmission, lifecycle management and technology used in vertical industries.

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Mathematics

Terms related to mathematics, including definitions about logic, algorithms and computations and mathematical terms used in computer science and business.

  • data analytics (DA)

    Data analytics (DA) is the science of examining raw data with the purpose of drawing conclusions about that information.

  • binomial distribution

    Binomial distribution is a type of formula in mathematics and statistics for predicting probabilities where there are two possible outcomes over a set of instances.

  • hysteresis

    Hysteresis is the tendency for a system to change or react based on a trend of how it has already transformed leading up to a specific point in time.

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Microprocessors

Terms related to microprocessors, including definitions about silicon chips and words and phrases about computer processors.

  • cache memory

    Cache memory, also called CPU memory, is high-speed static random access memory (SRAM) that a computer microprocessor can access more quickly than it can access regular random access memory (RAM).

  • smart card

    A smart card is a physical card that has an embedded integrated chip that acts as a security token.

  • neuromorphic chip

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

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Nanotechnology

Terms related to nanotechnology, including manufacturing definitions and words and phrases about building machines at a molecular level.

  • quantum as a service (QaaS)

    Quantum as a service (QaaS) is the offering of quantum compute facilities as an on demand service.

  • bionics

    Bionics is the replication of biological systems by mechanical and electronic systems. Physician and researcher Jack Steele coined the term bionics in 1958 to describe the study of biological organisms to solve engineering problems.

  • digital pill

    A digital pill is a capsule with embedded sensors that send healthcare-related data to external parties.

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Podcasts

Podcasts about information technology (IT) topics; includes definitions about producing podcasts.

  • Videocast: What is the difference between UC and UM?

    In the SearchVoIP.com videocast, Whatis.com's Alex Howard discusses the differences between unified messaging and unified communications, the features each option allows users and the development of UM to UC. Whether you are considering UC or have already implemented unified communications, this videocast embedded on the right explains the differences between the technologies and how UC will continue to impact the future of communications.

  • Podcast: What is FFIEC compliance?

    In this WhatIs.com podcast, you'll learn about this attempt to modernize existing banking practices in the context of new online threats like phishing. To learn more about FFIEC compliance, Assistant Site Editor Alex Howard interviewed Patrick Audley, the CTO of risk adaptive software provider Cogneto.

  • Podcast: What is SOA?

    In this podcast you will learn what service-oriented architecture (SOA) is, how it relates to other programming approaches and what standards and tools you need to be aware of before implementing SOA. (Continued...)

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Protocols

Terms related to communication protocols, including definitions about TCP, IP, UDP, POP, SMTP, HTTP, XML, W-CDMA and FTP.

  • Routing Information Protocol (RIP)

    RIP (Routing Information Protocol) is a protocol used to enable routers to share information about IP traffic routes as they move traffic within a larger network made up of separate LANs linked through routers.

  • TCP/IP (Transmission Control Protocol/Internet Protocol)

    TCP/IP, or the Transmission Control Protocol/Internet Protocol, is a suite of communication protocols used to interconnect network devices on the internet. TCP/IP can also be used as a communications protocol in a private network (an intranet or an extranet).

  • Network protocol

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

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Robotics

Terms related to robotics, including definitions about consumer or manufacturing robots and words and phrases about stepper motor systems, XY positioning tables, automation and artificial intelligence.

  • chatbot

    A chatbot (sometimes referred to as a chatterbot) is a computer program that attempts to simulate the conversation or "chatter" of a human being via text or voice interactions.

  • delivery drone

    A delivery drone is a type of unmanned aerial vehicle (UAV) used for distributing packages to consumers through advanced AI technology.

  • drone services (UAV services)

    Drone services, also known as unmanned aerial vehicle (UAV) services, is the emerging market for services built around flying robots that can be remote-controlled or flown autonomously using software-controlled flight plans in their embedded systems.

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Video Production

Definitions about producing and editing videos.

  • videogrammetry

    Videogrammetry is the extraction of an object’s measurements from a video; measurements may be gathered from multiple angles or multiple videos.

  • digital evidence presentation system (DEPS)

    A digital evidence presentation system (DEPS) is a system with an overhead camera and a liquid crystal display (LCD) used in courts to present and record evidence digitally.

  • video display unit (VDU)

    A video display unit (VDU) consists of:A computer output device that uses a cathode ray tube or other technology to present visual imagesOne or more input devices, such as a keyboard, a mouse, or both.

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SearchCompliance

  • compliance audit

    A compliance audit is a comprehensive review of an organization's adherence to regulatory guidelines.

  • regulatory compliance

    Regulatory compliance is an organization's adherence to laws, regulations, guidelines and specifications relevant to its business...

  • Whistleblower Protection Act

    The Whistleblower Protection Act of 1989 is a law that protects federal government employees in the United States from ...

SearchSecurity

  • orphan account

    An orphan account, also referred to as an orphaned account, is a user account that can provide access to corporate systems, ...

  • voice squatting (skill squatting)

    Voice squatting is an attack vector for voice user interfaces (VUIs) that exploits homonyms (words that sound the same but are ...

  • WPA3

    WPA3, also known as Wi-Fi Protected Access 3, is the third version of the security certification program developed by the Wi-Fi ...

SearchHealthIT

SearchDisasterRecovery

  • business continuity policy

    Business continuity policy is the set of standards and guidelines an organization enforces to ensure resilience and proper risk ...

  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • warm site

    A warm site is a type of facility an organization uses to recover its technology infrastructure when its primary data center goes...

SearchStorage

  • cache memory

    Cache memory, also called CPU memory, is high-speed static random access memory (SRAM) that a computer microprocessor can access ...

  • disk array

    A disk array, also called a storage array, is a data storage system used for block-based storage, file-based storage or object ...

  • enterprise storage

    Enterprise storage is a centralized repository for business information that provides common data management, protection and data...

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