
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 …
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 …
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 …
Computer - Technology, Invention, History | Britannica
Oct 17, 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.
Computer - History, Technology, Innovation | Britannica
Oct 17, 2025 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.”
List of presidents of the United States | U.S. Presidents, Presidential ...
As the head of the government of the United States, the president is arguably the most powerful government official in the world. The president is elected to a four-year term via an electoral …
Computer architecture | Definition & Facts | Britannica
Nov 11, 2025 · Computer architecture, structure of a digital computer, encompassing the design and layout of its instruction set and storage registers. The architecture of a computer is chosen …
Personal computer (PC) | Definition, History, & Facts | Britannica
Nov 1, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.
ENIAC | History, Computer, Stands For, Machine, & Facts | Britannica
Oct 18, 2025 · ENIAC, the first programmable general-purpose electronic digital computer, built during World War II by the United States and completed in 1946. The project was led by John …
Trojan | malware, viruses, security | Britannica
Sep 26, 2025 · Malware typically infects a personal computer (PC) through e-mail, Web sites, or attached hardware devices. Mobile malware, including spyware and ransomware, attacks …