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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Who invented the Pascal’s Calculator or Pascaline
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Thomas de Colmar
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John Napier
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Charles Babbage
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Blaise Pascal
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Explanation:
Detailed explanation-1: -This time, we would like to show you the oldest preserved calculating machine from the year 1642. It was invented by mathematician and philosopher Blaise Pascal in Rouen at the age of 19.
Detailed explanation-2: -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.
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