Source: http://ezinearticles.com/6388056
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Monday, July 4, 2011
About Computer Generations
[unable to retrieve full-text content]Computer is an electronic device used to accept the data in the form of digitalized (binary 0 and 1) to perform some task based on the sequence of instructions program. Five generations of computers, First generations of computers (1940-56) operated in vacuum tubes. Computers use the vacuum tubes for circuitry and magnetic drums for memory.
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