History Of Computers

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Calculating Machines and their Inventors:
Through the centuries, several mathematical geniuses invented machinesto aid them in their calculations. The machines were never widely used and generally had no direct path to the later development of electronic computers. Example:

Pascal:
Blaise Pascal (1623-1662) a French matematician, invented the first mechanical adding machine at age 19 in 1642. He became tired of adding long columns of figures while helping his father, who had been appointed administrator of Rouen by Cardenal Richelieu. His device had teen toothed wheels and many gears. Rotating wheels developed sums. A carry lever advanced the next wheel to the left one position when a sum exceeded 10.

Punched Card Development:
Many of us are surprised to learn that the punched card industry is almost 200 years old. Furthermore, the first use of punched cards wasn’t for data processing, but rather for process control. Example:

Jacquard:
Joseph ...

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