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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 · Computer chip, integrated circuit or small wafer of semiconductor material embedded with integrated circuitry. Chips comprise the processing and memory units of the …

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

    Douglas Engelbart (born January 30, 1925, Portland, Oregon, U.S.—died July 2, 2013, Atherton, California) was an American inventor whose work beginning in the 1950s led to his patent for …