In 1671 GOTFRIED W. VON LEIBNITZ invented a better calculating device as compared to Pascal device which could only Add and Subtract, but Leibnitz’s device could multiply and do square root also.
French engineer, Joseph Marie Jacquard developed a punched card system for the power looms in 1801, HERMAN HOLLERITH for the first time used Punch card in his, machine. In 1946 JOHN VON NEUMANN brought a revolution in computer technology by introducing standard program in EDVAC (Electronic Discrete Variable Automatic Computer).
In 1948 HOWARD H. AIKEN developed an Electro Mechanical computer named as Mark-I. This is considered to be one of the first true computers, because it could store information and instructions.
The first commercial computer “UNIVAC - 1” was developed in 1951.
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