A plugboard or control panel (the term used depends on the application area) is an array of jacks or sockets (often called hubs) into which patch cords...
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Enigma machine (section Plugboard)
Enigma models were produced, but the German military models, having a plugboard, were the most complex. Japanese and Italian models were also in use....
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then R is transformed into A. The plugboard transformation maintained the self-inverse quality, but the plugboard wiring, unlike the rotor positions...
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properly enforced, would have made the plugboard Enigma machine unbreakable to the Allies at that time. The German plugboard-equipped Enigma became the principal...
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computer program in the macOS operating system Web hosting control panel Plugboard, also called a control panel Telephone switchboard, a manual exchange...
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Cyclometer (section Recovering the plugboard)
Wheel Order : II I III Ringstellung : 24 18 22 (XMV) Reflector : A Plugboard : A-M, F-I, N-V, P-S, T-U, W-Z Grundstellung: FOL Operator chosen message...
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(rotors and a reflector) that scrambled the input. The machine used a plugboard to swap pairs of letters, and the encipherment varied from one key press...
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was organized for encryption as follows: An input typewriter An input plugboard that permutes the letters from the typewriter keyboard and separates them...
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and data as opposed to designs which use a mechanism such as discrete plugboard wiring or fixed control circuitry for instruction implementation. Stored-program...
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cryptologists overcame the growing structural and operating complexities of the plugboard-equipped Enigma. The Bureau also broke Soviet cryptography. Five weeks...
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which initial setting for each rotor, and the settings of the stecker plugboard. The rotor settings were trigrams (for example, "NJR") to indicate the...
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Board exploited the self-reciprocity of the plugboard element of the Enigma; that is, if on the plugboard, letter B is Steckered (plugged) to letter G...
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and control signals between modules, Cockerell employed a small matrix plugboard (patchboard) into which the user stuck special conductive pins that connected...
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Remington Rand 409, a punched card calculator which was programmed with a plugboard, was designed in 1949.[citation needed] It was sold in two models: the...
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were connected to function panels by plugging heavy black cables into plugboards. Each function table had 728 rotating knobs. Programming the ENIAC also...
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This contrasts with systems that stored the program instructions with plugboards or similar mechanisms. The definition is often extended with the requirement...
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The operation of many machines was directed by the use of a removable plugboard, control panel, or connection box. Early electrically powered computers...
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Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
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settings used for an Enigma message (i.e., rotor order, rotor settings and plugboard settings) using a suitable crib: a fragment of probable plaintext. For...
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Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
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substitution. Keys were easily changed by changing the rotor disks and the plugboard wires. Although these encryption methods were more complex than previous...
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column lines at up to 150 lines per minute. The installation must wire a plugboard to control the layout of the print line. Up to three 7500 Card readers...
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was similar to the plugboard in the Enigmas, offering additional randomization that could be easily changed. Unlike Enigma's plugboard, however, the wiring...
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Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
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Marian Rejewski, the Polish cryptographer and mathematician who solved the plugboard-equipped Enigma used by Nazi Germany, approached the problem through permutation...
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Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
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Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
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in 1930. Information to be printed could be placed in any sequence via plugboard control panel selections. The machine operated at the rate of 75 cards...
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computers in the late 1940s and 1950s were directly programmed either with plugboards or with machine code inputted on media such as punch cards, without programming...
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Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
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