BASIC COMPUTER CONCEPTS
HISTORY 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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Tabulating Machine
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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: -Pascal invented the first digital calculator to help his father with his work collecting taxes. He worked on it for three years between 1642 and 1645. The device, called the Pascaline, resembled a mechanical calculator of the 1940s.
Detailed explanation-3: -A Pascaline signed by Pascal in 1652. Musée des Arts et Métiers, Paris.
Detailed explanation-4: -A Life of Science In 1641, at the age of 18, Pascal built his first arithmetical machine, an instrument which, eight years later, he further improved and called the Pascaline.