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The Z3 was an electromechanical computer designed by Konrad Zuse. It was the world's first working programmable, fully automatic digital computer. The Z3 was built with 2000 relays, implementing a 22 bit word length that operated at a clock frequency of about 5–10 Hz. Program code and data were stored on punched film.
The Z3 was completed in Berlin in 1941. The German Aircraft Research Institute used it to perform statistical analyses of wing flutter. Zuse asked the German government for funding to replace the relays with fully electronic switches, but funding was denied during World War II since such development was deemed "not war-important". The original Z3 was destroyed in 1943 during an Allied bombardment of Berlin. A fully functioning replica was built in the 1960s by Zuse's company, Zuse KG, and is on permanent display in the Deutsches Museum. The Z3 was Turing-complete.
References[change | change source]
- "A Computer Pioneer Rediscovered, 50 Years On". The New York Times. April 20, 1994. http://www.nytimes.com/1994/04/20/news/20iht-zuse.html.
- Zuse, Konrad (1993) (in German). Der Computer. Mein Lebenswerk. (3rd ed.). Berlin: Springer-Verlag. p. 55. .
- Crash! The Story of IT: Zuse at the Internet Archive
- Hans-Willy Hohn (1998) (in German). Kognitive Strukturen und Steuerungsprobleme der Forschung. Kernphysik und Informatik im Vergleich. Schriften des Max-Planck-Instituts für Gesellschaftsforschung Köln. p. 148. .
- RTD Net: "From various sides Konrad Zuse was awarded with the title "Inventor of the computer"."
- GermanWay: "(...)German inventor of the computer"
- Monsters & Critics: "he(Zuse) built the world's first computer in Berlin"
- About.com: "Konrad Zuse earned the semiofficial title of "inventor of the modern computer""