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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
Computer - Technology, Invention, History | Britannica By the second decade of the 19th century, a number of ideas necessary for the invention of the computer were in the air First, the potential benefits to science and industry of being able to automate routine calculations were appreciated, as they had not been a century earlier
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 - History, Technology, Innovation | Britannica It is not too great a stretch to say that, in the Jacquard loom, programming was invented before the computer The close relationship between the device and the program became apparent some 20 years later, with Charles Babbage’s invention of the first computer
computer - Kids | Britannica Kids | Homework Help Computer software is divided into two basic types—the operating system and application software The operating system controls how the different parts of hardware work together Application software gives the computer instructions for doing specific tasks, such as word processing or playing games
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 summary | Britannica computer, Programmable machine that can store, retrieve, and process data 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)
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
Personal computer (PC) | Definition, History, Facts | Britannica 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 memory; and various peripheral devices
Computer - Home Use, Microprocessors, Software | Britannica Computer - Home Use, Microprocessors, Software: Before 1970, computers were big machines requiring thousands of separate transistors They were operated by specialized technicians, who often dressed in white lab coats and were commonly referred to as a computer priesthood