About 377,000 results
Open links in new tab
  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. 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. Computer science | Definition, Types, & Facts | Britannica

    5 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 information.

  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. 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, …

  6. 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 waves, and …

  7. 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.

  8. computer - Students | Britannica Kids | Homework Help

    Generally, a computer is any device that can perform numerical calculations—even an adding machine, an abacus, or a slide rule. Currently, however, the term usually refers to…

  9. 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

  10. Computer - Miniaturization, Transistors, Chips | Britannica

    Oct 17, 2025 · In 1994 Leonard Adleman, a mathematician at the University of Southern California, demonstrated the first DNA computer by solving a simple example of what is known as the traveling …