BASIC COMPUTER CONCEPTS
HISTORY OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1617
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1642
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3000 BC
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2020
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Detailed explanation-1: -In 1614, Edinburgh-born Renaissance scholar John Napier invented logarithms.
Detailed explanation-2: -Napier’s bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. The method was based on lattice multiplication, and also called rabdology, a word invented by Napier. Napier published his version in 1617.
Detailed explanation-3: -John Napier, the Scottish mathematician, published his discovery of logarithms in 1614. His purpose was to assist in the multiplication of quantities that were then called sines. The whole sine was the value of the side of a right angled triangle with a large hypotenuse, say 107 units long.
Detailed explanation-4: -The Scot, John Napier, invented these strips (originally made from bone) about 400 years ago to help calculate multiplication and division.
Detailed explanation-5: -Napier’s bones, also called Napier’s rods, are numbered rods which can be used to perform multiplication of any number by a number 2-9.