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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 algorithm

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

  • logistic regression

    Logistic regression is a statistical analysis method used to predict a data value based on prior observations of a data set.

  • algorithm

    An algorithm (pronounced AL-go-rith-um) is a procedure or formula for solving a problem, based on conducting a sequence of specified actions.

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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.

  • artificial intelligence

    Artificial intelligence (AI) is the simulation of human intelligence processes by machines, especially computer systems.

  • intelligent process automation (IPA)

    Intelligent process automation (IPA) is a combination of technologies used to manage and automate digital processes.

  • graph database

    A graph database is a type of NoSQL database that uses graph theory to store, map and query relationships.

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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.

  • embedded system

    An embedded system is a combination of computer hardware and software designed for a specific function or functions within a larger system.

  • outsourcing

    Outsourcing is a business practice in which a company hires a third-party to perform tasks, handle operations or provide services for the company.

  • quantum computing

    Quantum computing is an area of study focused on the development of computer technologies based on the principles of quantum theory.

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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.

  • 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.

  • NOR flash memory

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

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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.

  • megabytes per second (MBps)

    Megabytes per second (MBps) is a unit of measurement for data transfer speed to and from a computer storage device.

  • 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 or solid-state drives to protect data in the case of a drive failure.

  • Simple Network Management Protocol (SNMP)

    Simple Network Management Protocol (SNMP) is an application-layer protocol used to manage and monitor network devices and their functions.

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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.

  • 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.

  • prime number

    A prime number is a whole number greater than 1 whose only factors are 1 and itself. A factor is a whole numbers that can be divided evenly into another number.

  • unique identifier (UID)

    A unique identifier (UID) is a numeric or alphanumeric string that is associated with a single entity within a given system.

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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).

  • 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.

  • server virtualization

    Server virtualization is a process that creates and abstracts multiple virtual instances on a single server.

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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 explaining the nature and behavior of matter and energy on the atomic and subatomic level, sometimes called quantum mechanics or quantum physics. This definition provides an introduction to quantum theory.

  • quantum microphone

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

  • MEMS (micro-electromechanical systems)

    A MEMS (micro-electromechanical 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.

  • 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.

  • Secure Shell (SSH)

    SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an unsecured network.

  • static IP address

    A static IP address is a 32 bit number that is assigned to a computer to be its address on the internet.

  • 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.

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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.

  • artificial intelligence

    Artificial intelligence (AI) is the simulation of human intelligence processes by machines, especially computer systems.

  • bot (robot)

    A bot (short for 'robot' and also called an internet bot) is a computer program that operates as an agent to either simulate a human activity or for a user or another program.

  • chatbot

    A chatbot -- sometimes referred to as a chatterbot -- is programming that simulates the conversation or "chatter" of a human being through text or voice interactions.

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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 management

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

  • compliance framework

    A compliance framework is a structured set of guidelines that details an organization's processes for maintaining accordance with...

  • regulatory compliance

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

SearchSecurity

  • DNS over HTTPS (DoH)

    DNS over HTTPS (DoH) is a relatively new protocol that encrypts domain name system traffic by passing DNS queries through a ...

  • integrated risk management (IRM)

    Integrated risk management (IRM) is an approach to risk management that uses a set of practices and processes to improve an ...

  • MITRE ATT&CK framework

    The MITRE ATT&CK (pronounced 'miter attack') framework is a free, globally accessible service that provides comprehensive and ...

SearchHealthIT

  • telemedicine (telehealth)

    Telemedicine is the remote delivery of healthcare services, such as health assessments or consultations, over the ...

  • Project Nightingale

    Project Nightingale is a controversial partnership between Google and Ascension, the second largest health system in the United ...

  • medical practice management (MPM) software

    Medical practice management (MPM) software is a collection of computerized services used by healthcare professionals and ...

SearchDisasterRecovery

SearchStorage

  • M.2 SSD

    An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification and is used in internally mounted ...

  • kilobyte (KB or Kbyte)

    A kilobyte (KB or Kbyte) is a unit of measurement for computer memory or data storage used by mathematics and computer science ...

  • virtual memory

    Virtual memory is a memory management capability of an operating system (OS) that uses hardware and software to allow a computer ...

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