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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Difference Engine
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Analytical Engine
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Napier’s Bones
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Leibniz Calculator
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Detailed explanation-1: -(A) Abacus: Was the first calculating device and not the improved form Pascaline.
Detailed explanation-2: -The Pascaline is the first mechanical and automatic calculator.It represents the position of digit with the help of gears in it. The machine is sometimes called adding machine or Pascal’s calculator. Gottfried Leibniz a German mathemation modified the Pascal calculator in 1673.
Detailed explanation-3: -Until 1645, Pascal worked on improvements to the machine, which was called the Pascaline. It resembled the mechanical calculators of the 1940s.
Detailed explanation-4: -A Leibniz wheel or stepped drum is a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators.