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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 - 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.

  3. 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 …

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

    4 days ago · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …

  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. Charles Babbage | Biography, Computers, Inventions, & Facts

    Oct 14, 2025 · Charles Babbage, English mathematician and inventor who is credited with having conceived the first automatic digital computer. He designed two calculating devices, the …

  8. Computer - Memory, Storage, Processing | Britannica

    Oct 17, 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 …

  9. Alan Turing - Computer Designer, Codebreaker, Enigma | Britannica

    Nov 7, 2025 · In 1945, the war over, Turing was recruited to the National Physical Laboratory (NPL) in London to create an electronic computer. His design for the Automatic Computing …

  10. Computer programming language | Definition, Examples,

    Oct 15, 2025 · A computer programming language is any of various languages for expressing a set of detailed instructions for a computer. The earliest programming languages were …