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

    Aug 25, 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 - Technology, Invention, History | Britannica

    Aug 25, 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 …

  3. What is a computer? - Britannica

    Aug 25, 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 - History, Technology, Innovation | Britannica

    Aug 25, 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 …

  5. Personal computer (PC) | Definition, History, & Facts | Britannica

    Jul 27, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.

  6. 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. …

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

    Aug 15, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …

  8. Ada Lovelace | Biography, Computer, & Facts | Britannica

    Aug 11, 2025 · Ada Lovelace is considered the first computer programmer. Even though she wrote about a computer, the Analytical Engine, that was never built, she realized that the …

  9. Computer - Home Use, Microprocessors, Software | Britannica

    Aug 25, 2025 · Computer - Home Use, Microprocessors, Software: Before 1970, computers were big machines requiring thousands of separate transistors. They were operated by specialized …

  10. Software | Definition, Types, & Facts | Britannica

    Jul 30, 2025 · Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. The term was coined to differentiate …