Z3 (computer)
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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
Zuse Z3 replica on display at Deutsches Museum in Munich
Electromagnetic memory (relays) included in the Z3, Z5 and Z11
Drawing of the Z3 computer from Zuse's 1941 patent
Z3 reconstruction in 2010 by Horst Zuse
Z2 (computer)
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The Z2 was an electromechanical digital computer that was completed by Konrad Zuse in 1940. It was an improvement on the Z1 Zuse had built in his parents' home, which used the same mechanical memory.
Z3 (computer)
…estimated a duration of two or three years, the proposal was rejected. Zuse decided to implement the next design based on relays. The realization of the Z2 was helped financially by Kurt Pannke, who manufactured small calculating machines. The Z2 was completed and presented to an audience of the Deutsche…
Drawing of the Zuse Z2