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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 . [ 3 ] 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 . [ 1 ]
The "Z" of Z-machine stands for Zork, Infocom's first adventure game.Z-code files usually have names ending in .z1, .z2, .z3, .z4, .z5, .z6, .z7, or .z8, where the number is the version number of the Z-machine on which the file is intended to be run, as given by the first byte of the story file.
Z3 (computer), the world's first working programmable, fully automatic digital computer created by Konrad Zuse Z3 Theorem Prover , a satisfiability modulo theories solver by Microsoft .Z3, a file extension for story files for the Infocom Z-machine
In 1941, he improved on the basic Z2 machine, and built the Z3. On 12 May 1941 Zuse presented the Z3, built in his workshop, to the public. [23]: 425 [28] The Z3 was a binary 22-bit floating-point calculator featuring programmability with loops but without conditional jumps, with memory and a calculation unit based on telephone relays. The ...
"Z1 was a machine weighing about 1 tonne in weight, which consisted of some 20,000 parts. It was a programmable computer, based on binary floating-point numbers and a binary switching system. It consisted completely of thin metal sheets, which Zuse and his friends produced using a jigsaw."
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In 1941, Zuse followed his earlier machine up with the Z3, [71] the world's first working electromechanical programmable, fully automatic digital computer. [74] The Z3 was built with 2000 relays, implementing a 22-bit word length that operated at a clock frequency of about 5–10 Hz. [75] Program code and data were stored on punched film.