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PASCAL -HISTORY OF COMPUTER
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HISTORY OF COMPUTER:
pascal was manged to built a calculator it must do addition ,substraction, multiplication ,divison they are called as stepped reckon er
[Image: SteppedReckoner.gif]

PUNCHED CARDS: JACQUARD INVENTED PUNCHED cards they are made up of wooden cards
[Image: JacquardLoom.jpg]




CHARLES BABBAGE :
Charles babbage used to invented calculating machine in room size called as difference engine ,the machines are used to compute for numbers, logarithms


[Image: DifferenceEngine.jpg]



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