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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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -In any case, abacus beads can be readily manipulated to perform the common arithmetical operations-addition, subtraction, multiplication, and division-that are useful for commercial transactions and in bookkeeping. The abacus is a digital device; that is, it represents values discretely.
Detailed explanation-2: -"1) Abacus is a calculating method as it is not the modern calculating machine-False.
Detailed explanation-3: -The first calculating device that was invented was the Abacus. It is a manual calculating device that consists of rows of beads representing a place of value and digits. The abacus was invented by Blaise Pascal in the year 1642.
Detailed explanation-4: -A computer is an electronic calculating machine. It is a device for storing, processing, and displaying information.