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plugboard
noun
An array of jacks or hubs into which patch cords can be inserted in order to complete electrical circuits.
synonyms
Exact(3)
The military version of the Enigma also had something called a "plugboard," by which the connections between letters could be further scrambled.
The settings of the wheels and the plugboard were changed each day at midnight.
Plugboard and isinglass, grimoire and cwm, friends all.
Similar(7)
ENIAC had used plugboards, which had the advantage of enabling the instructions to be read electronically, rather than by much slower mechanical card readers, but it also had the disadvantage of making ENIAC very hard to program.
Like Colossus but unlike Howard Aiken's machine (described in the section Early experiments), it used plugboards for communicating instructions to the machine; this had the advantage that, once the instructions were thus "programmed," the machine ran at electronic speed.
Colossus and ENIAC had used plugboards, which had the advantage of enabling the instructions to be read in electronically, rather than by much slower mechanical card readers, but it also had the disadvantage of making these first-generation machines very hard to program.
The business machines of the time used plugboards (something like telephone switchboards) to route data manually, and Aiken chose not to use them for the specification of instructions.
It used plugboards for communicating instructions to the machine; this had the advantage that, once the instructions were thus "programmed," the machine ran at electronic speed.
At home, the answer is either to daisy-chain plugboards until your living room looks like it was designed by Spinal Tap's roadie, or engage in a furtive power-snatching game with family or housemates.
He showed me smears of blood on the walls, and the forlorn remains of his stock: two or three crates full of plugboards and software CDs.
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