
Computer | Definition, History, Operating Systems, & Facts
Sep 24, 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
5 days ago · 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 - Technology, Invention, History | Britannica
Oct 17, 2025 · 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
Sep 24, 2025 · 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
Oct 17, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …
Computer architecture | Definition & Facts | Britannica
Aug 12, 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
Oct 11, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.
Charles Babbage | Biography, Computers, Inventions, & Facts
Oct 14, 2025 · Charles Babbage, English mathematician and inventor who is credited with having conceived the first automatic digital computer. He designed two calculating devices, the …
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 - Supercomputing, Processing, Speed | Britannica
Oct 17, 2025 · The physical elements of a computer, its hardware, are generally divided into the central processing unit (CPU), main memory (or random-access memory, RAM), and peripherals.