
Computer | Definition, History, Operating Systems, & Facts
2025年8月25日 · 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
2025年8月25日 · 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 …
Computer - Technology, Invention, History | Britannica
2025年8月25日 · 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 …
Computer - History, Technology, Innovation | Britannica
2025年8月25日 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.”
Computer science | Definition, Types, & Facts | Britannica
2025年9月15日 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …
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. …
Personal computer (PC) | Definition, History, & Facts | Britannica
2025年9月9日 · personal computer (PC), a digital computer designed for use by only one person at a time.
computer summary | Britannica
A computer consists of the central processing unit (CPU), main memory (or random-access memory, RAM), and peripherals (e.g., a keyboard, a printer, disc drives).
Computer - Home Use, Microprocessors, Software | Britannica
2025年8月25日 · Computer - Home Use, Microprocessors, Software: Before 1970, computers were big machines requiring thousands of separate transistors. They were operated by …
computer - Students | Britannica Kids | Homework Help
Generally, a computer is any device that can perform numerical calculations—even an adding machine, an abacus, or a slide rule. Currently, however, the term usually refers to…