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  1. Computer - Wikipedia

    A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations (computation). Modern digital electronic computers can perform generic sets of …

  2. Computer | Definition, History, Operating Systems, & Facts ...

    Dec 10, 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 …

  3. What Is a Computer?

    Jun 14, 2025 · Guide on what a computer is, covering its history, types, components, and usage today. Meaning of general-purpose, special-purpose, and specialized computers.

  4. Computer Basics: What is a Computer? - GCFGlobal.org

    After reading this Computer Basics lesson, you will be able to answer the question, what is a computer?

  5. History of computers: Timeline of key events & technological ...

    Dec 18, 2025 · The history of computers began with primitive designs in the early 19th century and went on to change the world during the 20th century.

  6. What is a Computer? (Definition & Meaning) | Webopedia

    Oct 9, 2024 · A computer is a programmable machine that executes & responds to a defined set of instructions. Learn about computer history & programs today.

  7. Personal computer - Wikipedia

    Personal computer Person using a desktop personal computer A personal computer (PC), or simply computer, is a computer designed for personal use. [1] It is typically used for tasks such as word …

  8. 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, …

  9. Computer - Technology, Invention, History | Britannica

    6 days ago · 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. First, the potential …

  10. Amazon.com: Computers & Accessories: Electronics: Computer ...

    Shop a wide selection of laptops, tablets, desktop computers, and accessories on Amazon.com from top brands including Apple, HP, Dell, and more.