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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.

Algorithms

Terms related to procedures or formulas for solving a problem by conducting a sequence of specified actions. In computing, algorithms in the form of mathematical instructions play an important part in search, artificial intelligence (AI) and machine learning.

  • machine learning bias (AI bias)

    Machine learning bias is a phenomenon that occurs when an algorithm produces results that are systemically prejudiced due to erroneous assumptions in the machine learning process.

  • machine learning algorithm

    A machine learning algorithm is the method by which the AI system conducts its task, generally predicting output values from given input data.

  • artificial neural network (ANN)

    In information technology (IT), a neural network is a system of hardware and/or software patterned after the operation of neurons in the human brain.

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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.

  • automated machine learning (AutoML)

    Automated machine learning is the process of applying machine learning models to real-world problems using automation.

  • deepfake AI (deep fake)

    Deep fake (also spelled deepfake) is a type of artificial intelligence used to create convincing images, audio and video hoaxes.

  • speech recognition

    Speech recognition, or speech-to-text, is the ability for a machine or program to identify words spoken aloud and convert them into readable text.

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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.

  • CIO (Chief Information Officer)

    A chief information officer (CIO) is the corporate executive in charge of information technology (IT) strategy and implementation.

  • quantum theory

    Quantum theory is the theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic level.

  • configuration

    Generally, a configuration is the arrangement - or the process of making the arrangement - of the parts that make up a whole.

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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.

  • teleoperations (telerobotics)

    Teleoperation, also called telerobotics, is the technical term for the remote control of a robot.

  • wavelength

    Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.

  • Android OS

    Android OS is a Linux-based mobile operating system that primarily runs on smartphones and tablets.

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Fast references

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

  • Text message abbreviations and acronyms

    This handy fast reference will help you quickly understand hundreds of Text, Twitter and Chat abbreviations and acronyms that are popularly used in text messages and social media. Please bookmark this page and refer back to it as needed.

  • 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.

  • IEEE 802 wireless standards

    The IEEE 802 standard is a collection of networking standards that cover the physical and data-link layer specifications for technologies such as Ethernet and wireless.

  • systems thinking

    Systems thinking is a holistic approach to analysis that focuses on the way that a system's constituent parts interrelate and how systems work over time and within the context of larger systems.

  • framework

    In general, a framework is a real or conceptual structure intended to serve as a support or guide for the building of something that expands the structure into something useful.

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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.

  • inductive reasoning

    Inductive reasoning is a logical process in which multiple premises, all believed true or found true most of the time, are combined to obtain a specific conclusion.

  • deductive reasoning

    Deductive reasoning is a logical process in which a conclusion is based on the accordance of multiple premises that are generally assumed to be true.

  • data analytics (DA)

    Data analytics (DA) is the process of examining data sets in order to find trends and draw conclusions about the information they contain.

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Microprocessors

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

  • BIOS (basic input/output system)

    BIOS (basic input/output system) is the program a personal computer's microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer's operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and printer.

  • 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).

  • register (processor register, CPU register)

    A processor register is one of a small set of data holding places that are part of a processor, or CPU, in a computer.

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Nanotechnology

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

  • quantum theory

    Quantum theory is the theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic level.

  • spray-on antenna

    A spray-on antenna is a conductive material that can be sprayed onto nearly any surface to create a thin, lightweight and flexible antenna.

  • quantum microphone

    A quantum microphone is an extremely device that detects the smallest particles of sound, such as packets of vibrational energy called phonons.

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Podcasts

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

  • 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.

  • HTTP (Hypertext Transfer Protocol)

    HTTP (Hypertext Transfer Protocol) is the set of rules for transferring files, such as text, graphic images, sound, video, and other multimedia files, on the World Wide Web.

  • remote desktop protocol (RDP)

    Remote desktop protocol (RDP) is a secure network communications protocol from Microsoft.

  • BGP (Border Gateway Protocol)

    BGP (Border Gateway Protocol) is the protocol underlying the global routing system of the internet.

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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.

  • unsupervised learning

    Unsupervised learning refers to the use of artificial intelligence (AI) algorithms to identify patterns in data sets containing data points that are neither classified nor labeled.

  • supervised learning

    Supervised learning is an approach to creating artificial intelligence, where the program is given labeled input data and the expected output results.

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Video Production

Definitions about producing and editing videos.

  • cinemagraph

    A cinemagraph is an image that combines still photography with active video to create a picture that contains a small moving element while the rest is frozen.

  • 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.

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SearchCompliance

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

  • PCI DSS (Payment Card Industry Data Security Standard)

    The Payment Card Industry Data Security Standard (PCI DSS) is a widely accepted set of policies and procedures intended to ...

  • risk management

    Risk management is the process of identifying, assessing and controlling threats to an organization's capital and earnings.

SearchSecurity

SearchHealthIT

SearchDisasterRecovery

  • call tree

    A call tree is a layered hierarchical communication model that is used to notify specific individuals of an event and coordinate ...

  • Disaster Recovery as a Service (DRaaS)

    Disaster recovery as a service (DRaaS) is the replication and hosting of physical or virtual servers by a third party to provide ...

  • cloud disaster recovery (cloud DR)

    Cloud disaster recovery (cloud DR) is a combination of strategies and services intended to back up data, applications and other ...

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