Wednesday, November 23, 2011

computer

Computers are tools used to process the dataaccording to procedures that have beenformulated. Word computer originally used to describe people who perkerjaannya performarithmetic calculations, with or without a walker,but the meaning of this word is then transferredto the machine itself. Originally, the processing ofinformation is almost exclusively related to arithmetical problems, but modern computers are used for many tasks unrelated tomathematics.
In the sense that there are tools such as sliderules, mechanical calculators types ranging fromabacus and so on, until all the contemporaryelectronic computers. The term better suited fora broad sense such as "computer" is "information processing" or "informationprocessing systems." Over the years there have been several different meanings in the word"computer", and several different words are now called called a computer.
The word computer once commonly used todefine people who perform arithmetic calculations, with or without auxiliary engine.According to the Barnhart Concise Dictionary ofEtymology, the word is used in English in 1646as the word for "people who count" then before1897 are also used as a "mechanicalcalculators". During World War II, the word refersto the workers of the United States and Britishwomen who work to calculate the path of artillerywarfare with the machine count.
Charles Babbage designed one of the firstcalculating machine called the analytical engine.In addition, a variety of simple machine toolssuch as slide rule also has to be said as a computer.

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