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Due to do invention of electricity in the 20th century, computers were invented. The first computers were very large and expensive, and they used vacum tubes.
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It was the first computer -
it was the first computer to go on sale -
It was created for one IBM 704 which was essential for starting programms
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In the 2nd generation they started using transitors and not vacuum tubes amd they were cheapers, fasters and smaller than 1st generation.
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Allowed the sotware
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In the 3rd generation they sarted using the integrated circuit, was faster and cheaper the 1st and 2nd generations and also use less electricity
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Dyna TAC 8000X
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developed in a garage by steve woniak
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In this generation we have a microprocessers that can be portable and also uses less electricity