
Computer | Definition, History, Operating Systems, & Facts | Britannica
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 design, constituent …
Computer - History, Technology, Innovation | Britannica
Oct 17, 2025 · Computers, too, have proved capable of solving a vast array of problems, from balancing a checkbook to even—in the form of guidance systems for robots—walking across a room. Before …
Computer science | Definition, Types, & Facts | Britannica
4 days ago · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information.
Technology | Definition, Examples, Types, & Facts | Britannica
Nov 5, 2025 · Technology is a vast and sprawling subject treated across articles too numerous to list here. What follows is a highly selective list of examples of how technology has changed our …
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 virus | Definition & Facts | Britannica
Oct 18, 2025 · 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 …
Personal computer (PC) | Definition, History, & Facts | Britannica
Nov 27, 2025 · A typical personal computer assemblage consists of a central processing unit, which contains the computer’s arithmetic, logic, and control circuitry on an integrated circuit; computer …
Hardware | Definition, Devices, & Facts | Britannica
Hardware, computer machinery and equipment, including memory, cabling, power supply, peripheral devices, and circuit boards. Computer operation requires both hardware and software.
Computer - Home Use, Microprocessors, Software | Britannica
Oct 17, 2025 · Computer - Home Use, Microprocessors, Software: Before 1970, computers were big machines requiring thousands of separate transistors. They were operated by specialized …
Computer network | Definition & Types | Britannica
Nov 28, 2025 · A computer network consists of two or more computers that are connected to each other to communicate data electronically. Two basic network types are local area networks (LANs) and …