
Computer | Definition, History, Operating Systems, & Facts
Sep 24, 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 …
What is a computer? - Britannica
5 days ago · 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 …
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 …
Atanasoff-Berry Computer (ABC) | Britannica
Atanasoff-Berry Computer (ABC), an early digital computer. It was generally believed that the first electronic digital computers were the Colossus, built in England in 1943, and the ENIAC, built …
Computer - History, Technology, Innovation | Britannica
Sep 24, 2025 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.”
Computer science - Programming Languages, Syntax, Algorithms
Oct 17, 2025 · Computer science - Programming Languages, Syntax, Algorithms: Programming languages are the languages with which a programmer implements a piece of software to run …
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, …
Ada Lovelace | Biography, Computer, Day, & Facts | Britannica
Oct 14, 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 computer …
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 …
Computer memory | Types, Capacity & Speed | Britannica
Sep 18, 2025 · Computer memory is divided into main (or primary) memory and auxiliary (or secondary) memory. Main memory holds instructions and data when a program is executing, …