
Computer | Definition, History, Operating Systems, & Facts
Dec 10, 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 …
Computer - History, Technology, Innovation | Britannica
Dec 10, 2025 · Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically.” Such a …
Computer - Technology, Invention, History | Britannica
Dec 10, 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 science | Definition, Types, & Facts | Britannica
Dec 2, 2025 · Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing …
Hacker | Definition, Types, & Word Origin | Britannica
The first computer hackers were MIT students during the 1950s and ’60s. The word hack in this case was slang for a shortcut—something for which computer-science students at MIT were …
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 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).
Oracle Corporation | History, Products, Cloud Computing, & AI ...
The company is best known for its Oracle database software, a relational database management system, and for computer systems and software, such as Solaris and Java, which it acquired …
Computer architecture | Definition & Facts | Britannica
Nov 11, 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 …
RAM | Definition, Types, & Facts | Britannica
3 days ago · Computer memory is divided into main (or primary) memory and auxiliary (or secondary) memory. Main memory holds instructions and data when a program is executing, …