
Computer | Definition, History, Operating Systems, & Facts | Britannica
Dec 22, 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 …
Computer - Technology, Invention, History | Britannica
Dec 22, 2025 · 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.
What is a computer? | Britannica
Dec 22, 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, …
Personal computer (PC) | Definition, History, & Facts | Britannica
Nov 27, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.
computer summary | Britannica
Database, any collection of data, or information, that is specially organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage, retrieval, modification, and deletion …
Computer - History, Technology, Innovation | Britannica
Dec 22, 2025 · It is not too great a stretch to say that, in the Jacquard loom, programming was invented before the computer. The close relationship between the device and the program became apparent …
Military Career, Wife, Boat Strike, & Facts - Britannica
5 days ago · Pete Hegseth is the U.S. secretary of defense (2025– ) and a former U.S. Army National Guard officer. Prior to his government service, he was an American TV personality who was a cohost …
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 information.
Computer - Memory, Storage, Processing | Britannica
Oct 17, 2025 · Computer - Memory, Storage, Processing: The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic waves, and …
Pete Buttigieg | Biography, DNC, Husband, Transportation Secretary ...
Dec 7, 2025 · Pete Buttigieg is an American politician who served as U.S. secretary of transportation (2021–25) in the administration of Pres. Joe Biden. Buttigieg was the first openly gay cabinet …