In Pictures: ENIAC, world's first digital computer, turns 66

Massive machine was world's first large-scale electronic general-purpose digital computer ... here's a pictorial tribute

ENIAC was developed under a 1943 contract with the US Army to speed ballistics calculations. It was built under total secrecy and completed only after WWII, however. At 30 feet by 60 feet, weighing 30 tons and using 19,000 vacuum tubes, ENIAC was the epitome of a large system.

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  • Peter Rea

    We all wore suits and were middle aged already