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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. 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 …

  3. 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.

  4. 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 …

  5. Computer - History, Technology, Innovation | Britannica

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

  6. Trojan | malware, viruses, security | Britannica

    Nov 14, 2025 · Malware typically infects a personal computer (PC) through e-mail, Web sites, or attached hardware devices. Mobile malware, including spyware and ransomware, attacks …

  7. Computer - Miniaturization, Transistors, Chips | Britannica

    Oct 17, 2025 · In 1994 Leonard Adleman, a mathematician at the University of Southern California, demonstrated the first DNA computer by solving a simple example of what is known …

  8. 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 …

  9. Computer architecture | Definition & Facts | Britannica

    Nov 11, 2025 · Computer architecture, structure of a digital computer, encompassing the design and layout of its instruction set and storage registers. The architecture of a computer is chosen …

  10. Octordle - Encyclopedia Britannica

    Rescue Game The not-so-helpful computer has chosen starter words for you. Can you rescue the game and win? daily game practice