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

    Dec 22, 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

    Dec 22, 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

    Dec 22, 2025 · It is not too great a stretch to say that, in the Jacquard loom, programming was invented before the computer. The close relationship between the device and the program …

  4. 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 …

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

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

  6. Computer - Technology, Invention, History | Britannica

    Dec 22, 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.

  7. Computer - Time-sharing, Minicomputers, Multitasking | Britannica

    Dec 22, 2025 · It was built by Fernando Corbato and Robert Jano at MIT, and it connected an IBM 709 computer with three users typing away at IBM Flexowriters. This was only a prototype …

  8. Computer - Home Use, Microprocessors, Software | Britannica

    Dec 22, 2025 · Computer - Home Use, Microprocessors, Software: Before 1970, computers were big machines requiring thousands of separate transistors. They were operated by specialized …

  9. Artificial Intelligence | Pros, Cons, Debate, Arguments, Computer ...

    Oct 30, 2024 · He would go on to create the computer programming language LISP (which is still used in AI), host computer chess games against human Russian opponents, and develop the …

  10. Computer - Memory, Storage, Processing | Britannica

    Dec 22, 2025 · Computer - Memory, Storage, Processing: The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic …