describe abacus as far as evolution of computer is concered
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before the invention of computers abacus was only a device which was used as a calculator
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An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame. The abacusitself doesn't calculate; it's simply a device for helping a human being to calculate by remembering what has been counted.
juliusmapunda118:
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