... procedures. As early as the 1640's mechanical calculators were being manufactured for sale. Records exist of earlier machines, but it is common belief that Blaise Pascal invented the first commercial calculator, a hand powered adding machine. A step towards automated computing was the development of punched cards, which were first used successfully with computers in the 1890 census. Herman Hollerith of MIT developed ... Moore School of Electrical Engineering of University of Pennsylvania decided to build a high - speed electronic computer to do the job. This machine became known as ENIA...

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• Approx Pages: 6

... computer by 1946, when binary system was used and concept of pre-stored instructions as programs were introduced. This generation continued till 1959. In 1946 ENIAC (Electronic Numerical integrator And Calculator) was developed as a result of military need. It was too large to be kept as it took up all space in a 20x40 square feet room and used 19000 vacuum tubes ... ...

• Word Count: 1687
• Approx Pages: 7
• Grade Level: High School