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  1. Computer | Definition, History, Operating Systems, & Facts

    Jun 16, 2025 · A computer is a programmable device for processing, storing, and displaying information. Learn more in this article about modern digital electronic computers and their …

  2. What is a computer? - Britannica

    A computer is a machine that can store and process information. Most computers rely on a binary system, which uses two variables, 0 and 1, to complete tasks such as storing data, calculating …

  3. Computer science | Definition, Types, & Facts | Britannica

    May 29, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …

  4. Computer - History, Technology, Innovation | Britannica

    Jun 16, 2025 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.” Such a …

  5. Digital computer | Evolution, Components, & Features | Britannica

    digital computer, any of a class of devices capable of solving problems by processing information in discrete form. It operates on data, including magnitudes, letters, and symbols, that are …

  6. History, Computer, Stands For, Machine, & Facts - Britannica

    May 28, 2025 · ENIAC, the first programmable general-purpose electronic digital computer, built during World War II by the United States and completed in 1946. The project was led by John …

  7. Computer network | Definition & Types | Britannica

    A computer network consists of two or more computers that are connected to each other to communicate data electronically. Two basic network types are local area networks (LANs) and …

  8. computer - Kids | Britannica Kids | Homework Help

    A computer is a device for working with information. The information can be numbers, words, pictures, movies, or sounds. Computer information is also called data. Computers…

  9. Analog computer | Definition, Examples, & Facts | Britannica

    Jun 25, 2025 · Analog computer, any of a class of devices in which continuously variable physical quantities are represented in a way analogous to the corresponding quantities in the problem …

  10. computer summary | Britannica

    computer, Programmable machine that can store, retrieve, and process data. A computer consists of the central processing unit (CPU), main memory (or random-access memory, RAM), and …