INTRODUCTION TO COMPUTERS
COMPUTER GENERATIONS AND CLASSIFICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Abacus is used to perform
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Addition
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Subtraction
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Multiplication
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Division
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All of the above
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Explanation:
Detailed explanation-1: -The standard abacus can be used to perform addition, subtraction, division and multiplication; the abacus can also be used to extract square-roots and cubic roots.
Detailed explanation-2: -Abacus is a maths tool used for calculations.
Detailed explanation-3: -An abacus is an ancient tool used for counting, consisting of a framed set with rods on which balls or beads are moved. The abacus has been in existence in China since the second century BCE, although the oldest counting boards have been found in fourth century BCE Rome.
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