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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.

Computing fundamentals

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

  • phase-change memory (PCM)

    Phase-change memory (PCM) is a form of computer RAM (random-access memory) that stores data by altering the state of the matter from which the device is fabricated.

  • augmented intelligence

    Augmented intelligence is an alternative conceptualization of artificial intelligence that emphasizes AI's assistive role, supplementing human intelligence rather than replacing it.

  • data

    In computing, data is information that has been translated into a form that is efficient for movement or processing.

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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.

  • microcontroller

    A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system.

  • infrared radiation (IR)

    Infrared radiation (IR), sometimes referred to simply as infrared, is a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nanometers (nm) to 1 millimeter (mm).

  • fiber optics (optical fiber)

    Fiber optics, or optical fiber, refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber.

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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.

  • PCI DSS Requirements Fast Guide

    A chart that lists the 6 control objectives and 12 requirements that make up the Payment Card Industry Data Security Standards (PCI DSS).

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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.

  • RAID (redundant array of independent disks)

    RAID (redundant array of independent disks) is a way of storing the same data in different places on multiple hard disks to protect data in the case of a drive failure.

  • Six Sigma

    Six Sigma is an approach to data-driven management that seeks to improve quality by measuring how many defects there are in a process and systematically eliminating them until there are as close to zero defects as possible.

  • Communications Act of 1934

    The Communications Act of 1934 is United States legislation that transfers the Federal Radio Commission’s authority over radio regulation to the Federal Communications Commission (FCC), which was newly formed under the Act’s provisions. The legislation provided strict controls over the collection and sale of customer personally identifiable information (PII), including calling history.

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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.

  • Flat-panel TV Guide

    Benefits of flat-panel TVs | Flat-panel features to considerA quick comparison of LCD, LED, OLED and plasma TVsFlat-panel TV technologies: LCD | LED | Plasma | OLEDMore informationA flat-panel TV is a television set that uses one of several different technologies for display in a flat, thin format.

  • Information Kit: Grid Computing

    Grid computing (or the use of a computational grid) is applying the resources of many computers in a network to a single problem at the same time

  • Learn IT: How Spam Affects Email Marketing Campaigns

    1. What's the difference between spam and legitimate email marketing? Spam is unsolicited bulk email (UBE).

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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.

  • natural number

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

  • millimeter (mm, millimetre)

    A millimeter (abbreviated as mm and sometimes spelled as millimetre) is a small unit of length/distance in the metric system, one-thousandth of a meter (which is similar in length to a yard in the Imperial system of measurement).

  • centimeter (cm)

    The centimeter (abbreviation, cm) is a unit of displacement or length in the cgs (centimeter/gram/second) system of units.

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Microprocessors

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

  • 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. Neural net processors reduce the requirements for brain-like computer processing from whole networks of computers that excel in complex applications such as AI, machine learning or computer vision down to one multi-cored chip.

  • quad-core processor

    A quad-core processor is a chip with four independent units called cores that read and execute central processing unit (CPU) instructions such as add, move data, and branch.

  • Ryzen (AMD Ryzen)

    Ryzen (pronounced RYE zen) is an AMD CPU aimed at the server, desktop, workstation, media center PC and all-in-one markets.

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Nanotechnology

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

  • fourth industrial revolution

    The fourth industrial revolution is the current environment in which disruptive technologies and trends such as the Internet of Things (IoT) and artificial intelligence (AI) are changing the way we live and work.

  • nanotechnology (molecular manufacturing)

    Nanotechnology, or, as it is sometimes 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.

  • MEMS (micro-electromechanical systems)

    A MEMS (microelectromechanical system) is a miniature machine that has both mechanical and electronic components.

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Podcasts

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

  • stream recorder (stream ripper)

    What is stream recorder?A stream recorder (sometimes called a stream ripper) is a program used to save streaming media to a file so that it can be accessed locally.

  • destreaming

    Destreaming, in a multimedia context, is the practice of saving streamed data as a file.

  • 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.

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Protocols

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

  • remote desktop protocol (RDP)

    Remote desktop protocol (RDP) is a secure network communications protocol designed for remote management, as well as for remote access to virtual desktops, applications and an RDP terminal server.

  • IPTV (Internet Protocol television)

    IPTV (Internet Protocol television) is a service that provides television programming and other video content using the TCP/IP protocol suite as opposed to traditional cable or satellite signals.

  • Session Initiation Protocol (SIP)

    Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, modifying and terminating real-time sessions that involve video, voice, messaging and other communications applications and services between two or more endpoints on IP networks.

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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.

  • universal basic income (UBI)

    Universal basic income (UBI) is a model for providing all citizens of a country or other geographic area with a given sum of money, regardless of their income, resources or employment status.

  • swarm robotics

    Swarm robotics is the use of numerous, autonomous robotics to accomplish a task. Robot swarms coordinate the behaviours of a large number of relatively simple robots in a decentralised manner.

  • robot economy

    The robot economy is an environment in which most labor is performed by robots and software. The word robot, in this context, refers to both physical systems and AI-enhanced software such as expert systems.

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Video Production

Definitions about producing and editing videos.

  • Khan Academy

    The Khan Academy is a non-profit educational organization that provides free video tutorials and interactive exercises.

  • screencast

    A screencast is a digital video recording that captures actions taking place on a computer desktop.

  • video card (graphics card)

    A video adapter (alternate terms include graphics card, display adapter, video card, video board and almost any combination of the words in these terms) is an integrated circuit card in a computer or, in some cases, a monitor that provides digital-to-analog conversion, video RAM, and a video controller so that data can be sent to a computer's display.

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SearchSecurity

  • black hat

    Black hat refers to a hacker who breaks into a computer system or network with malicious intent.

  • copyright

    Copyright is a legal term describing ownership of control of the rights to the use and distribution of certain works of creative ...

  • keylogger (keystroke logger or system monitor)

    A keylogger, sometimes called a keystroke logger or system monitor, is a type of surveillance technology used to monitor and ...

SearchHealthIT

  • population health management (PHM)

    Population health management (PHM) is a discipline within the healthcare industry that studies and facilitates care delivery ...

  • ICD-10-PCS

    The International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) is a U.S. cataloging system for...

  • U.S. National Library of Medicine (NLM)

    The U.S. National Library of Medicine (NLM) is the largest biomedical library in the world.

SearchDisasterRecovery

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

  • mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

SearchStorage

  • open source storage

    Open source storage is data storage software developed in a public, collaborative manner that permits the free use, distribution ...

  • CompactFlash card (CF card)

    A CompactFlash card (CF card) is a memory card format developed by SanDisk in 1994 that uses flash memory technology to store ...

  • email archiving

    Email archiving (also spelled e-mail archiving) is a systematic approach to saving and protecting the data contained in email ...

SearchSolidStateStorage

  • RRAM or ReRAM (resistive RAM)

    RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a ...

  • JEDEC

    JEDEC is a global industry group that develops open standards for microelectronics.

  • M.2 SSD

    An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification written for internally mounted storage...

SearchCloudStorage

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

  • Zadara VPSA and ZIOS

    Zadara Storage provides block, file or object storage with varying levels of compute and capacity through its ZIOS and VPSA ...

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