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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Tabulating Machine
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Leibniz’s Calculator
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Abacus
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Pascaline
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Detailed explanation-1: -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-2: -Abacus was the first mechanical calculating device, developed by Chinese about 5000 years ago. It was used for counting large numbers and doing arithmetic calculations such as addition, subtraction, multiplication and division.
Detailed explanation-3: -ABSTRACT. The Pascaline was the first working mechanical calculator, created in 1642 by the French polymath Blaise Pascal. Over the next two decades Pascal built 40 of these machines, of which nine survive today.