BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Stepped Reckoner
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Havard Mark I
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Tabulating Machine
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Analytical Engine
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Detailed explanation-1: -Step Reckoner, a calculating machine designed (1671) and built (1673) by the German mathematician-philosopher Gottfried Wilhelm von Leibniz. The Step Reckoner expanded on the French mathematician-philosopher Blaise Pascal ’s ideas and did multiplication by repeated addition and shifting.
Detailed explanation-2: -The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz around 1672 and completed in 1694. The name comes from the translation of the German term for its operating mechanism, Staffelwalze, meaning “stepped drum".
Detailed explanation-3: -It was the first known calculator that could perform all four arithmetic operations; addition, subtraction, multiplication and division. 67 cm (26 inches) long.
Detailed explanation-4: -In 1671 the German mathematician-philosopher Gottfried Wilhelm von Leibniz designed a calculating machine called the Step Reckoner. (It was first built in 1673.) The Step Reckoner expanded on Pascal’s ideas and did multiplication by repeated addition and shifting.