IBM announces the Model 650 computer

2nd July 1953
IBM announces the Model 650 computer

On 2nd July 1953, IBM announced its 650 series of computers.

The machine was IBM's first mass-produced commercial business computer. Over 2,000 units were eventually sold, despite the original market forecast estimating that only 50 machines would be installed.

The IBM 650 used vacuum-tube logic. It stored information on a rotating magnetic drum, and received it on programmed punch cards.

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IBM announces the Model 650 computer

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