Eniac

The first general purpose electronic computer

What was the ENIAC?

Short for Electronic Numerical Integrator and Computer, the ENIAC was the first electronic computer used for general purposes, such as solving numerical problems.


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How did the ENIAC work?

Unlike the computers of the present day, the ENIAC was designed with one specific goal. It was programmed to compute the values of artillery range tables.

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Eniac

The Electronic Numerical Integrator and Computer, or ENIAC, was created under the direction of John Mauchly and J. Presper Eckert of Penn's Moore School of Electrical Engineering (now the School of Engineering and Applied Science). Construction of the 27-ton, 680-square-foot computer began in July 1943 and was announced to the public on Feb. 14, 1946. It was built to calculate ballistic trajectories for the Army during World War II, a time- and labor-intensive process that had previously been performed by teams of mathematicians working with mechanical calculators.