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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 - 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 …

  4. John Mauchly | Biography, Computer, & Facts | Britannica

    Aug 26, 2025 · John Mauchly (born August 30, 1907, Cincinnati, Ohio, U.S.—died January 8, 1980, Ambler, Pennsylvania) was an American physicist and engineer, co-inventor in 1946, …

  5. 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 …

  6. The Four-Day Workweek - Encyclopedia Britannica

    Oct 7, 2025 · Should companies adopt a four-day workweek? Explore the pros and cons of the debate.

  7. What Is Cryptocurrency? Definition & How It Works | Britannica …

    In short, Ethereum is a massive digital ecosystem through which digital information and computer applications can be transported, stored, and even created. What does crypto aim to achieve? …

  8. How Does a Quantum Computer Work? | Britannica

    Using Max Planck's quantum theory, Professor Wrachtrup is building a computer that manipulates light. Equations like these are child's play for quantum physicists.

  9. Annie Easley | American computer scientist | Britannica

    Like Katherine Johnson, Annie Easley began her career at NACA after learning that the facility was looking for those with strong skills in mathematics. After working as a manual computer, …

  10. World History Quizzes | Britannica

    Jun 1, 2020 · Take these quizzes at Encyclopedia Britannica to test your knowledge on a variety of fun and interesting topics including Animals, Art, Music, Pop Culture, Science, History and …