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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 - 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.”

  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 - Technology, Invention, History | Britannica

    Oct 17, 2025 · By the second decade of the 19th century, a number of ideas necessary for the invention of the computer were in the air. First, the potential benefits to science and industry of …

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

    Oct 17, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …

  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. Internet | Description, History, Uses, & Facts | Britannica

    Oct 31, 2025 · The Internet is a system architecture that has revolutionized communications and methods of commerce by allowing various computer networks around the world to …

  8. IMac | computer | Britannica

    In 1998, Jobs introduced the iMac, an egg-shaped, one-piece computer that offered high-speed processing at a relatively modest price and initiated a trend of high-fashion computers.

  9. 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 …

  10. Computer - Supercomputing, Processing, Speed | Britannica

    Oct 17, 2025 · The physical elements of a computer, its hardware, are generally divided into the central processing unit (CPU), main memory (or random-access memory, RAM), and peripherals.