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Computer | Definition, History, Operating Systems, Facts | Britannica 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 parts, and applications as well as about the history of computing
What is a computer? | Britannica 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, calculating algorithms, and displaying information
Computer - Technology, Invention, History | Britannica 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 - History, Technology, Innovation | Britannica Computer - History, Technology, Innovation: A computer might be described with deceptive simplicity as “an apparatus that performs routine calculations automatically ”
computer summary | Britannica 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 of data in conjunction with various data-processing operations
Computer science | Definition, Types, Facts | Britannica Computer science is the study of computers and computing, including their theoretical and algorithmic foundations, hardware and software, and their uses for processing information
Computer - Supercomputing, Processing, Speed | Britannica 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
Computer memory | Types, Capacity Speed | Britannica 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 memory holds data and programs not currently in use and provides long-term storage
Digital computer | Evolution, Components, Features | Britannica Since the development of the Harvard Mark I, the digital computer has evolved at a rapid pace The succession of advances in computer equipment, principally in logic circuitry, is often divided into generations, with each generation comprising a group of machines that share a common technology