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          Z1 (computer)

          Mechanical computer built by Konrad Zuse in the 1930s

          The Z1 was a motor-driven mechanical computer designed by German inventor Konrad Zuse from 1936 to 1937, which he built in his parents' home from 1936 to 1938.[1][2] It was a binary, electrically driven, mechanical calculator, with limited programmability, reading instructions from punched celluloid film.

          The “Z1” was the first freely programmable computer in the world that used Boolean logic and binary floating-point numbers; however, it was unreliable in operation.[3][4] It was completed in 1938 and financed completely by private funds.

          This computer was destroyed in the bombardment of Berlin in December 1943, during World War II, together with all construction plans.

          Konrad zuse z1

          The Z1 was the first in a series of computers that Zuse designed. Its original name was "V1" for Versuchsmodell 1 (meaning Experimental Model 1). After WW2, it was renamed "Z1" to differentiate it fro