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- Computer | Definition, History, Operating Systems, Facts | Britannica
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 parts, and applications as well as about the history of computing
- 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 algorithms, and displaying information
- Computer - History, Technology, Innovation | Britannica
Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically ”
- Computer - Technology, Invention, History | Britannica
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
- Personal computer (PC) | Definition, History, Facts | Britannica
personal computer (PC), a digital computer designed for use by only one person at a time
- computer - Kids | Britannica Kids | Homework Help
Computer software is divided into two basic types—the operating system and application software The operating system controls how the different parts of hardware work together Application software gives the computer instructions for doing specific tasks, such as word processing or playing games
- Z3 | computer | Britannica
In computer: Konrad Zuse …machines were really calculators—not computers—his Z3, completed in December 1941 (and destroyed on April 6, 1945, during an Allied air raid on Berlin), was the first program-controlled processor
- Computer virus | Definition Facts | Britannica
A more damaging virus can wreak havoc on an extremely large computer system within a matter of minutes or hours, causing it to crash and thereby destroy valuable data, or can disable a computer system until a ransom is paid
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