Back زد4 (حاسوب) Arabic Z4 Catalan Z4 Danish Zuse Z4 German Z4 (υπολογιστής) Greek Z4 Spanish زد۴ Persian Z4 Finnish Zuse 4 French Zuse-Z4 Croatian
&sq=Facebook&lang=en&file=File:Zuse-Z4-Totale_deutsches-museum.jpg) Z4 on display at the Deutsches Museum, Munich | |
| Developer | Konrad Zuse |
|---|---|
| Manufacturer | Zuse Apparatebau |
| Type | Programmable, fully automatic digital electromechanical computer |
| Release date | 1945 |
| Introductory price | SFr 30,000 for five years |
| Units sold | 1 (to ETH Zurich in a loan deal)[1]: 1077, 1139 |
| CPU | @ (about) 40 Hz |
| Memory | Mechanical, 32 bits word length |
| Display | Decimal floating point numbers, punch tape or Mercedes typewriter |
| Input | Decimal floating point numbers, punch tape |
| Power | (about) 4 kW |
| Mass | Ca. 1,000 kg (2,200 lb) |
| Predecessor | Z3 |
| Successor | Z5 |
The Z4 was arguably the world's first commercial digital computer, and is the oldest surviving programmable computer.[1]: 1028 It was designed, and manufactured by early computer scientist Konrad Zuse's company Zuse Apparatebau, for an order placed by Henschel & Son, in 1942; though only partially assembled in Berlin, then completed in Göttingen in the Third Reich in April 1945,[2] but not delivered before the defeat of Nazi Germany, in 1945.[3][4][5] The Z4 was Zuse's final target for the Z3 design.[6] Like the earlier Z2, it comprised a combination of mechanical memory and electromechanical logic, so was not a true electronic computer.[7]
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