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

    6 days ago · 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 science | Definition, Types, & Facts | Britannica

    Dec 2, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …

  3. Computer science and its application in various fields | Britannica

    computer science, Study of computers, their design (see computer architecture), and their uses for computation, data processing, and systems control, including design and development of …

  4. Manassas | Virginia, Map, & History | Britannica

    The war effectively ended in April 1865 when Confederate General Robert E. Lee surrendered his troops to Union General Ulysses S. Grant at Appomattox Court House in Virginia.

  5. Science | Definition, Disciplines, & Facts | Britannica

    Dec 5, 2025 · The term science describes any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic …

  6. Stonewall Jackson | Biography, Battles, Death, & Facts | Britannica

    Dec 9, 2025 · Jackson’s first assignment in the Confederate cause was the small command at Harpers Ferry, Virginia (now West Virginia), where the Shenandoah River flows into the …

  7. Hacker | Definition, Types, & Word Origin | Britannica

    The first computer hackers were MIT students during the 1950s and ’60s. The word hack in this case was slang for a shortcut—something for which computer-science students at MIT were …

  8. Battles of Bull Run - Kids | Britannica Kids | Homework Help

    Introduction The Battles of Bull Run were two conflicts in the American Civil War. They were fought in the summers of 1861 and 1862 at a small stream named Bull Run, near Manassas, …

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

    Nov 27, 2025 · A typical personal computer assemblage consists of a central processing unit, which contains the computer’s arithmetic, logic, and control circuitry on an integrated circuit; …

  10. Computer - History, Technology, Innovation | Britannica

    6 days ago · 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 …