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A MOMENT IN HISTORY

Konrad Zuse builds the Z3

1941 CE · Germany, Europe · Technology

Konrad Zuse builds the Z3
Image via Wikimedia Commons

The Z3 was a German electromechanical computer designed by Konrad Zuse in 1938, and completed in 1941. It was the world's first working programmable, fully automatic digital computer. The Z3 was built with 2,600 relays, implementing a 22-bit word length that operated at a clock frequency of about 5–10 Hz. Program code was stored on punched film.

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