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improved definition of computer
A '''computer''' is a machine that is designed to perform [[mathematical]] calculations. Most computers manipulate data in the form of [[binary|binary code]], which consists of 1s and 0s.
A '''computer''', like a calculator, is a machine that is designed to perform [[mathematical]] calculations. A computer differs from a calculator in that it follows a program stored in its memory, rather than requiring the user to enter instructions one at a time. Most computers manipulate data in the form of [[binary|binary code]], which consists of 1s and 0s.
[[Image:Babbage.jpg|right|thumb|200px|Charles Babbage's Analytical Engine.]]
[[Image:Babbage.jpg|right|thumb|200px|Charles Babbage's Analytical Engine.]]