PUNCH CARDS IS FIRST DATA ENTRY INTO MACHINE.
Computer is first called as difference(gears and shafts) machine and next as analytical machine in 19th century AD.
Computer necessity came errors crept in volumes of tables(steam,trigonometry and interest rates etc).
--------------------------------------------------------------- Calculating numbers by machine is for speed and reliability.
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Computer necessity came errors crept in volumes of tables(steam,trigonometry and interest rates etc).
--------------------------------------------------------------- Calculating numbers by machine is for speed and reliability.
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