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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. 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 …

  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 summary | Britannica

    computer, Programmable machine that can store, retrieve, and process data. A computer consists of the central processing unit (CPU), main memory (or random-access memory, RAM), and …

  5. 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. …

  6. Computer Definition & Meaning | Britannica Dictionary

    COMPUTER meaning: an electronic machine that can store and work with large amounts of information often used before another noun

  7. 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.”

  8. Hardware | Definition, Devices, & Facts | Britannica

    Hardware, computer machinery and equipment, including memory, cabling, power supply, peripheral devices, and circuit boards. Computer operation requires both hardware and software.

  9. Computer - Output Devices | Britannica

    Oct 17, 2025 · Computer - Output Devices: Printers are a common example of output devices. New multifunction peripherals that integrate printing, scanning, and copying into a single …

  10. Artificial Intelligence (AI): At a Glance | Britannica

    Oct 13, 2025 · Artificial intelligence (AI) is a computer’s ability to do tasks commonly associated with human intelligence. The term is applied to the project of developing systems endowed …