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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 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 team at Bletchley Park devised automatic machinery to help with decryption, culminating in the development of Colossus, the world's first programmable digital electronic computer. [a] Codebreaking operations at Bletchley Park came to an end in 1946 and all information about the wartime operations was classified until the mid-1970s.
A salvage crew tries to dig out a gravel truck damaged by flooding along the Los Angeles River on March 2, 1938. The truck was at the construction site of a railroad crossing for Union Pacific ...
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 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 ...
Unimate 500 PUMA (1983), control unit and computer terminal at Deutsches Museum, Munich PUMA arm at NASA. The PUMA (Programmable Universal Machine for Assembly, or Programmable Universal Manipulation Arm) is an industrial robotic arm developed by Victor Scheinman at pioneering robot company Unimation.