Dec 22, 2025 · 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 data, …

Dec 22, 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 …

Database, any collection of data, or information, that is specially organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage, retrieval, modification, and deletion …

Dec 22, 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.

Jan 7, 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.

Nov 27, 2025 · personal computer (PC), a digital computer designed for use by only one person at a time.

A computer programming language is any of various languages for expressing a set of detailed instructions for a computer. The earliest programming languages were assembly languages, not far …

Dec 22, 2025 · 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, while auxiliary …

Dec 22, 2025 · Computer - Memory, Storage, Processing: The earliest forms of computer main memory were mercury delay lines, which were tubes of mercury that stored data as ultrasonic waves, and …

Dec 23, 2025 · A typical electronic analog computer consisted of numerous types of amplifiers, which could be connected so as to build up a mathematical expression, sometimes of great complexity and …