• Thumbnail for Plugboard
    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...
    19 KB (2,672 words) - 20:22, 25 August 2024
  • Thumbnail for Enigma machine
    Enigma models were produced, but the German military models, having a plugboard, were the most complex. Japanese and Italian models were also in use....
    93 KB (11,271 words) - 16:28, 8 August 2024
  • Thumbnail for Bombe
    then R is transformed into A. The plugboard transformation maintained the self-inverse quality, but the plugboard wiring, unlike the rotor positions...
    67 KB (7,944 words) - 10:03, 26 July 2024
  • Thumbnail for Cryptanalysis of the Enigma
    properly enforced, would have made the plugboard Enigma machine unbreakable to the Allies at that time. The German plugboard-equipped Enigma became the principal...
    138 KB (17,741 words) - 21:17, 15 August 2024
  • computer program in the macOS operating system Web hosting control panel Plugboard, also called a control panel Telephone switchboard, a manual exchange...
    621 bytes (114 words) - 10:40, 24 April 2022
  • Thumbnail for Cyclometer
    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...
    22 KB (3,070 words) - 17:35, 25 March 2024
  • Thumbnail for Marian Rejewski
    (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...
    73 KB (8,843 words) - 06:03, 17 August 2024
  • Thumbnail for Type B Cipher Machine
    was organized for encryption as follows: An input typewriter An input plugboard that permutes the letters from the typewriter keyboard and separates them...
    31 KB (3,928 words) - 16:22, 28 June 2024
  • Thumbnail for Von Neumann architecture
    and data as opposed to designs which use a mechanism such as discrete plugboard wiring or fixed control circuitry for instruction implementation. Stored-program...
    35 KB (4,167 words) - 17:18, 16 August 2024
  • cryptologists overcame the growing structural and operating complexities of the plugboard-equipped Enigma. The Bureau also broke Soviet cryptography. Five weeks...
    57 KB (6,907 words) - 20:51, 16 August 2024
  • Thumbnail for Bomba (cryptography)
    which initial setting for each rotor, and the settings of the stecker plugboard. The rotor settings were trigrams (for example, "NJR") to indicate the...
    10 KB (1,312 words) - 20:15, 27 February 2024
  • 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...
    21 KB (2,003 words) - 12:12, 20 August 2024
  • and control signals between modules, Cockerell employed a small matrix plugboard (patchboard) into which the user stuck special conductive pins that connected...
    25 KB (2,183 words) - 10:58, 24 August 2023
  • Thumbnail for Remington Rand 409
    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...
    5 KB (330 words) - 01:42, 7 March 2023
  • Thumbnail for Computer program
    were connected to function panels by plugging heavy black cables into plugboards. Each function table had 728 rotating knobs. Programming the ENIAC also...
    127 KB (13,304 words) - 12:54, 15 August 2024
  • This contrasts with systems that stored the program instructions with plugboards or similar mechanisms. The definition is often extended with the requirement...
    16 KB (1,670 words) - 08:41, 16 August 2024
  • Thumbnail for Mechanical computer
    The operation of many machines was directed by the use of a removable plugboard, control panel, or connection box. Early electrically powered computers...
    20 KB (1,743 words) - 19:23, 5 August 2024
  • Thumbnail for Flash memory
    Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
    186 KB (16,996 words) - 14:16, 25 August 2024
  • Thumbnail for Alan Turing
    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...
    143 KB (14,767 words) - 11:35, 25 August 2024
  • Thumbnail for Read-only memory
    Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
    45 KB (5,139 words) - 02:22, 27 June 2024
  • Thumbnail for Cipher
    substitution. Keys were easily changed by changing the rotor disks and the plugboard wires. Although these encryption methods were more complex than previous...
    17 KB (2,099 words) - 21:11, 28 July 2024
  • Thumbnail for IBM 7070
    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...
    12 KB (1,328 words) - 20:13, 25 August 2024
  • Thumbnail for Typex
    was similar to the plugboard in the Enigmas, offering additional randomization that could be easily changed. Unlike Enigma's plugboard, however, the wiring...
    15 KB (2,010 words) - 04:49, 28 April 2024
  • Thumbnail for Random-access memory
    Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
    57 KB (5,721 words) - 20:23, 25 August 2024
  • Marian Rejewski, the Polish cryptographer and mathematician who solved the plugboard-equipped Enigma used by Nazi Germany, approached the problem through permutation...
    24 KB (2,499 words) - 07:59, 19 June 2024
  • Thumbnail for Dynamic random-access memory
    Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
    88 KB (10,639 words) - 19:46, 8 August 2024
  • Thumbnail for Hard disk drive
    Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
    138 KB (14,071 words) - 20:10, 25 August 2024
  • Thumbnail for IBM 550
    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...
    2 KB (142 words) - 20:12, 25 August 2024
  • Thumbnail for Operating system
    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...
    72 KB (8,248 words) - 20:48, 9 August 2024
  • Thumbnail for Magnetic tape
    Historical Paper data storage (1725) Punched card (1725) Punched tape (1725) Plugboard Drum memory (1932) Magnetic-core memory (1949) Plated-wire memory (1957)...
    9 KB (1,014 words) - 09:55, 30 July 2024