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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Pascaline
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Abacus
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Stepped Reckoner
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Difference Engine
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Detailed explanation-1: -The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644. It could only do addition and subtraction, with numbers being entered by manipulating its dials.
Detailed explanation-2: -Statue of Blaise Pascal in Paris. His invention of the Pascaline made him famous. On May 22, 1649, Pascal received a patent, or what was then called a privilege, on the arithmetic machine. The Pascaline soon become well-known in France and abroad.
Detailed explanation-3: -Gottfried Leibniz invented his Leibniz wheels after 1671, after trying to add an automatic multiplication feature to the Pascaline. In 1820, Thomas de Colmar designed his arithmometer, the first mechanical calculator strong enough and reliable enough to be used daily in an office environment.