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The worlds first computer using sliding beads.
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By Blaise Pascal. Clerks and accountants feared for their jobs!
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The first commercially successful calculator by Charles Xavier Thomas.
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First computer to have an input, processing, and output by Charles Babbage also known as the "Father of Computers."
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He founded IBM.
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First electronaical digital computer.
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They used vaccum tubes, they were huge, unreliable, and produced so much heat that air conditioner was required.
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They used transistors, needed less power to turn on, gave off less heat, had more memory spcae, faster, realiable, and had an English-like language.
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They used silicon chips and integrated circuits, faster, smaller, more reliable, and the software industry emerged.
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They used microprocessors, had even smaller circuitry, user friendly, and application software packages that were readily avaible. They were microcomputers.
