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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 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] Program code was stored on ...
As of 1938, NBC had 23 stations in its core "Basic Red" group, and 24 in its "Basic Blue" group, with 107 stations that could be Red or Blue depending on the needs of a sponsor; [13] In 1938, the American company DuMont Laboratories began manufacturing televisions at a factory in Passaic, New Jersey. [14]: 191
The floods of 1938 were so epic they led to a massive re-engineering of the L.A. River that vastly reduced the ability to recharge groundwater. How the deluge of 1938 changed Los Angeles — and ...
The Atanasoff–Berry computer (ABC) was the first automatic electronic digital computer. [1] The device was limited by the technology of the day. The ABC's priority is debated among historians of computer technology, because it was neither programmable, nor Turing-complete. [2]
Stibitz was born in York, Pennsylvania, the son of Mildred Murphy, a math teacher, and George Stibitz, a German Reformed minister and theology professor. Throughout his childhood, Stibitz enjoyed assembling devices and systems, working with material as diverse as a toy Meccano set or the electrical wiring of the family home. [3]
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 2025. English mathematician, philosopher, and engineer (1791–1871) "Babbage" redirects here. For other uses, see Babbage (disambiguation). Charles Babbage KH FRS Babbage in 1860 Born (1791-12-26) 26 December 1791 London, England Died 18 October 1871 (1871-10-18) (aged 79) Marylebone, London ...
December 17: Ben Hardaway and Cal Dalton's Count Me Out (1938) starring Egghead and produced by Leon Schlesinger Productions, is first released. December 23: Wilfred Jackson's Mother Goose Goes Hollywood, produced by Walt Disney Animation Studios, is first released. A cartoon featuring caricatures of Hollywood actors. [64]