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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 - Kids | Britannica Kids | Homework Help People use computers every day at work, at school, and at home Computers are used in factories to control how things are made and in offices to keep records People also use computers for sending e-mail, writing reports, shopping, banking, listening to music, and playing games
Computer - Technology, Invention, History | Britannica The mill was the calculating unit, analogous to the central processing unit (CPU) in a modern computer; the store was where data were held prior to processing, exactly analogous to memory and storage in today’s computers; and the reader and printer were the input and output devices
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 ” Such a definition would owe its deceptiveness to a naive and narrow view of calculation as a strictly mathematical process
Computer network | Definition Types | Britannica 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 wide area networks (WANs)
How does a quantum computer work? - Encyclopedia Britannica NARRATOR: So what exactly goes into building a quantum computer? It all starts with atoms that are channelled into a stable crystal lattice After all, a quantum computer needs a processor before it can work The Stuttgart researchers want to operate the computer at room temperature
Digital computer | Evolution, Components, Features | Britannica Digital computer, any of a class of devices capable of solving problems by processing information in discrete form It operates on data, including magnitudes, letters, and symbols, that are expressed in binary code—that is, using only the two digits 0 and 1
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 The discipline of computer science includes the study of algorithms and data structures and artificial intelligence
History, Computer, Stands For, Machine, Facts - Britannica ENIAC, the first programmable general-purpose electronic digital computer, built during World War II by the United States and completed in 1946 The project was led by John Mauchly, J Presper Eckert, Jr , and their colleagues ENIAC was the most powerful calculating device built to that time
Analog computer | Definition, Examples, Facts | Britannica Analog computer, any of a class of devices in which continuously variable physical quantities are represented in a way analogous to the corresponding quantities in the problem to be solved By the 1970s, analog computers had been replaced by faster, more powerful digital computers