BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Like a Calculator
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Like Napier’s Bones
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Like an Abacus
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Like the odometer in a car
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Detailed explanation-1: -The Pascaline is a direct adding machine (it has no crank), so the value of a number is added to the accumulator as it is being dialed in. By moving a display bar, the operator can see either the number stored in the calculator or the complement of its value.
Detailed explanation-2: -Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.
Detailed explanation-3: -The first calculating machine, known as the Pascaline, was built in 1642 by the French physicist Blaise Pascal when he was 19 years old. This early ancestor of the pocket calculator counts whole numbers by the cogs, or teeth, on a cogwheel.