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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] Program code was stored on ...
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 Olivetti Programma 101, also known as Perottina or P101, is one of the first "all in one" commercial desktop programmable calculators, [1] [2] although not the first. [3] Produced by Italian manufacturer Olivetti , based in Ivrea , Piedmont , and invented by the Italian engineer Pier Giorgio Perotto , the P101 used many features of large ...
1938 in transport (9 C, 1 P) This page was last edited on 13 September 2020, at 01:19 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4 ...
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 earlier programmable calculators, as well as the pocket computers mentioned above, also had such things as video interfaces for televisions and composite monitors, 2½ inch mini floppy disc drives, bar-code readers, and standard RS-232 connectivity which provided for other such things as modems, external hard drives and more. The printer ...
The year 1938 in science and technology involved some significant events, listed below. Astronomy. June 28 ...
«Los niños de Rusia, historia del desarraigo», audio en Documentos RNE. Lista de los españoles caídos combatiendo en las filas del Ejército Rojo en la Segunda Guerra Mundial. Centro Español de Moscú. Imágenes del retorno de uno de los barcos. NO-DO. Los niños españoles evacuados a la Unión Soviética (1937). España: Ediciones de la ...