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Who invented the first computer?
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The first computer was the ENIAC, built by John Mauchly and J. Presper Eckert in 1946. The ENIAC was the world’s first programmable electronic computer, and was used to calculate ballistic trajectories for the US Army. The ENIAC was also used to perform the first official electronic digital computations, including the first ever use of the decimal point. The ENIAC was a big machine, weighing in at over 60 tons!