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

    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 design, constituent …

  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 data, …

  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. 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.”

  5. 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

  6. list of notable computer viruses and malware - Encyclopedia Britannica

    Malware (a portmanteau of the terms malicious and software) consists of computer viruses, spyware, computer worms, and other software capable of stealing devices’ data or running harmful code.

  7. 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 electronic machinery.

  8. IBM | Founding, History, & Products | Britannica Money

    Relatively inexpensive, compact, and easy to operate, the IBM 650 quickly became the most widely used computer for business applications.

  9. John Mauchly | Biography, Computer, & Facts | Britannica

    John Mauchly (born August 30, 1907, Cincinnati, Ohio, U.S.—died January 8, 1980, Ambler, Pennsylvania) was an American physicist and engineer, co-inventor in 1946, with John P. Eckert, of …

  10. Encyclopedia Britannica

    Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.