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

    Oct 17, 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

    Oct 20, 2025 · 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 …

  3. Computer - History, Technology, Innovation | Britannica

    Oct 17, 2025 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.”

  4. Computer - Technology, Invention, History | Britannica

    Oct 17, 2025 · Computer - Technology, Invention, History: By the second decade of the 19th century, a number of ideas necessary for the invention of the computer were in the air.

  5. ENIAC | History, Computer, Stands For, Machine, & Facts | Britannica

    Oct 18, 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 …

  6. computer summary | Britannica

    Computer, device for processing, storing, and displaying information. Computer once meant a person who did computations, but now the term almost universally refers to automated …

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

    Oct 17, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …

  8. Personal computer (PC) | Definition, History, & Facts | Britannica

    Nov 1, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.

  9. Computer chip | Definition & Facts | Britannica

    Oct 2, 2025 · Chips comprise the processing and memory units of the modern digital computer (see microprocessor; RAM). Chip making is extremely precise and is usually done in a “clean …

  10. Douglas Engelbart | Inventor of the Computer Mouse | Britannica

    Douglas Engelbart was an American inventor whose work beginning in the 1950s led to his patent for the computer mouse, the development of the basic graphical user interface (GUI), and …