
Computer science - Architecture, Organization, Algorithms | Britannica
Jan 23, 2026 · Computer architecture deals with the design of computers, data storage devices, and networking components that store and run programs, transmit data, and drive interactions between …
Computer | Definition, History, Operating Systems, & Facts | Britannica
Feb 6, 2026 · 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 science | Definition, Types, & Facts | Britannica
Jan 23, 2026 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information. The …
Computer - History, Technology, Innovation | Britannica
Feb 6, 2026 · 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 - Networking, Communication, Protocols | Britannica
Jan 23, 2026 · The Internet itself is a network that makes it feasible for nearly all computers in the world to communicate. A computer network links computers together via a combination of infrared light …
Internet | Description, History, Uses, & Facts | Britannica
Feb 12, 2026 · One important factor was the introduction of the personal computer and the workstation in the early 1980s—a development that in turn was fueled by unprecedented progress in integrated …
Computer - Technology, Invention, History | Britannica
Feb 6, 2026 · The first electronic digital computers of a century later lacked this ability. It was remarkable that a young scholar realized its importance in 1840, and it would be 100 years before anyone would …
Computer network | Definition & Types | Britannica
Jan 24, 2026 · 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 …
Computer security | Definition & Facts | Britannica
Jan 2, 2026 · Computer security, the protection of computer systems and information from harm, theft, and unauthorized use. Computer hardware is typically protected by serial numbers, doors and locks, …
Abacus | Definition, History, Origin, & Facts | Britannica
Jan 9, 2026 · Abacus, calculating device, probably of Babylonian origin, that was long important in commerce. It is the ancestor of the modern calculating machine and computer. The abacus was in …