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The Atansoff-Berry Computer (ABC) was invented by John Atansoff and Clifford Berry. ABC took up 800 square feet and weighed about 1000 pounds.
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The Electronic Numerical Integrator and Computer (ENIAC) was invented by lots of people at the University of Pennylvania. ENIAC took up 680 square feet and weighed 27 tons (54,000 pounds).
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Ray Tomlinson invented email. He also had the idea of using the @ symbol in email adress.
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Apple computers were first made by Steve Wozniak and Steve Jobs.
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Apple releases its computer with color graphics.
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A PEW study says that 76% of all Americans own computers.