- plugboard
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An array of jacks or hubs into which patch cords can be inserted in order to complete electrical circuits.
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Plugboard — This article is about plugboards, or control panels, in unit record machines, cypher machines and early computers. For other uses, see plug board (disambiguation). IBM 402 Accounting Machine control panel[1] wiring. This board was labeled profit… … Wikipedia
plugboard — /plug bawrd , bohrd /, n. 1. Elect. an electric switchboard with plugs for telephones and the like. 2. Also called control panel. Computers. a removable panel containing manually wired electrical terminals into which plugs or pins are inserted:… … Universalium
plugboard — noun telephone central where circuits are completed with patchcords • Syn: ↑switchboard, ↑patchboard • Hypernyms: ↑central, ↑telephone exchange, ↑exchange • Part Holonyms: ↑teleph … Useful english dictionary
Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… … Wikipedia
Enigma machine — Military Enigma machine … Wikipedia
Marian Rejewski — (probably 1932, the year he first solved the Enigma machine). Courtesy of Janina Sylwestrzak, Rejewski s daughter. Born Marian Adam Rejewski August 16, 1905(1905 0 … Wikipedia
Bombe — In the history of cryptography, the Bombe was an electromechanical device used by British cryptologists to help break German Enigma machine signals during World War II. The bombe was designed by Alan Turing, with an important refinement suggested … Wikipedia
Biuro Szyfrów — The Biuro Szyfrów ([ˈbʲurɔ ˈʂɨfruf] ( listen), Polish for Cipher Bureau ) was the interwar Polish General Staff s agency charged with both cryptography (the use of ciphers and codes) and cryptology (the study of ciphers and codes,… … Wikipedia
Bomba (cryptography) — This article is about the Polish decryption device. For the later British decryption device at Bletchley Park, see Bombe. Contents 1 History 2 See also 3 … Wikipedia
Ultra — (sometimes capitalised ULTRA) was the name used by the British for intelligence resulting from decryption of encrypted German radio communications in World War II. The term eventually became the standard designation in both Britain and the United … Wikipedia