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This was the first widely known computer system and it was said that the demand was over 12,000 units. The inventors who designed it was the company IBM itself.
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This computer was a cathode ray tube graphic display, paper tape input/output, and only required one operator. The inventor of this computer was Benjamin Gurley
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This was a super computer which could save 3 million problems per second. It was made by a man named Seymour Cray. The demand was around over 100
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This was a calculator that took place of every day tasks and it was said to have sold over 40,000 units. It was invented by Pier Giorgio Perotto.
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This computer was the most widely known and it was the smallest know to date at the time being one cubic foot in volume. It was created by Charles Stark Draper Laboratory.