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Thursday 28 February 2013

History of Computer and Development

History of computing cunning Development & Generation of Computer

*Computer is an electronic device for performing arithmetic and logical operation.

ABACUS is k no(prenominal)to be the first mechanical calculating device. Which was used to be performed addition and subtraction easily and speedily? This device was a first develop Ed by the Egyptians in the tenth centaury B.C, but it was given it final shape in the twelfth centaury A.D. by the Chinese educationists. Abacus is made up of wooden contour in which rod where fitted across with rounds beads sliding on the rod. It id dividing into two parts called Heaven and Earth. Heaven was the focal ratio part and Earth was the lower one. Thus any no. can be represented by placing the beads at proper place.
NAPIERS BONES As the necessity demanded, scientist started inventing wagerer calculating device. In thus process John Napiers of Scotland invented a calculating device, in the class 1617 called the Napier Bones. In the device, Napiers used the bone rods of the counting purpose where some no. is printed on these rods. These rods that one can do addition, subtraction, multiplication and year easily.

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PASCALS CALCULATOR In the year 1642, Blaise papa a French scientist invented an adding machine called Pascals calculator, which represents the opinion of digit with the help of gears in it.
LEIBNZ CALCULATOR In the year 1671, a German mathematics, Gottfried Leibniz modified the Pascal calculator and he developed a machine which could perform various deliberation based on multiplication and division as well.
uninflected ENGINE ( estimator) in the year 1833, a scientist form England knows to be Charles Babbage invented much(prenominal) a machine. Which could keep our data safely? This device was called Analytical engine and it deemed the first mechanical computer. It included such feature which is used in todays computer language. For this great invention of the computer, Sir Charles Babbage is also known as...If you want to direct a full essay, order it on our website: Ordercustompaper.com



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