COMPUTER HISTORY AND EVOLUTION
DEVELOPMENT OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A machine that makes calculations
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An electronic device that makes calculations
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A person that makes calculations
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A device with sliding beads used for making calculations
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Detailed explanation-1: -The term “computer", in use from the early 17th century (the first known written reference dates from 1613), meant “one who computes": a person performing mathematical calculations, before electronic computers became commercially available.
Detailed explanation-2: -The word computer is derived from the Latin word ‘computare’, which means ‘to calculate’, ‘to count’, ‘to think’, or ‘to sum up’.
Detailed explanation-3: -An abacus is a device composed of beads that slide along rods, which fit into a frame. In ancient times, the abacus was used as a calculator; it aided in performing mathematical processes like counting, addition, subtraction, and multiplication.
Detailed explanation-4: -abacus, plural abaci or abacuses, calculating device, probably of Babylonian origin, that was long important in commerce. It is the ancestor of the modern calculating machine and computer.