
Computer | Definition, History, Operating Systems, & Facts | Britannica
Feb 6, 2026 · 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
Feb 6, 2026 · 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.
Computer - History, Technology, Innovation | Britannica
Feb 6, 2026 · 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 …
Computer science | Definition, Types, & Facts | Britannica
Jan 23, 2026 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information.
What is a computer? | Britannica
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, calculating …
computer summary | Britannica
Computer, device for processing, storing, and displaying information. Computer once meant a person who did computations, but now the term almost universally refers to automated electronic machinery.
Personal computer (PC) | Definition, History, & Facts | Britannica
5 days ago · personal computer (PC), a digital computer designed for use by only one person at a time.
Computer security | Definition & Facts | Britannica
Mar 4, 2026 · Computer security, the protection of computer systems and information from harm, theft, and unauthorized use. Computer hardware is typically protected by serial numbers, doors and locks, …
Computer programming language | Definition, Examples, & Popularity ...
Feb 13, 2026 · A computer programming language is any of various languages for expressing a set of detailed instructions for a computer. The earliest programming languages were assembly languages, …
Alan Turing | Biography, Facts, Computer, Machine, Education, & Death ...
Feb 27, 2026 · In 1945, the war over, Turing was recruited to the National Physical Laboratory (NPL) in London to create an electronic computer. His design for the Automatic Computing Engine (ACE) was …