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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 - History, Technology, Innovation | Britannica

    Oct 17, 2025 · The history of the solving of these problems is the history of the computer. That history is covered in this section, and links are provided to entries on many of the individuals …

  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 - 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 …

  7. computer summary | Britannica

    A computer consists of the central processing unit (CPU), main memory (or random-access memory, RAM), and peripherals (e.g., a keyboard, a printer, disc drives).

  8. 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 …

  9. Computer animation | Definition & Facts | Britannica

    Oct 1, 2025 · Computer animation, form of animated graphics using computers that replaced both “stop-motion” animation of scale-model puppets and hand-drawn animation of drawings.

  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.