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

    Dec 10, 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

    Dec 10, 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

    Dec 10, 2025 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.”

  5. 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.

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

    Nov 27, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.

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

    Dec 2, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information.

  8. Charles Babbage | Biography, Computers, Inventions, & Facts - Britannica

    Charles Babbage, English mathematician and inventor who is credited with having conceived the first automatic digital computer. He designed two calculating devices, the Difference Engine and the …

  9. computer summary | Britannica

    Database, any collection of data, or information, that is specially organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage, retrieval, modification, and deletion …

  10. computer - Kids | Britannica Kids | Homework Help

    Computer software is divided into two basic types—the operating system and application software. The operating system controls how the different parts of hardware work together. Application software …