On 15 February 1946, Penn’s Moore School of Electrical Engineering in Pennsylvania, US, unveiled the Electronic Numerical Integrator And Computer (ENIAC). The machine, which was developed between 1943 and 1946 as part of the US war effort, is largely recognised as the world’s first general-purpose electronic digital computer.
Computer firm Unisys can trace its lineage back to Univac, which was a commercial machine built by ENIAC inventors J Presper Eckert and John Mauchly.
Unisys ClearPath Forward CTO Jim Thompson is an ENIAC history enthusiast, and ahead of the 75th anniversary, he spoke to Computer Weekly about why people are fascinated