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control key
(redirected from Ctrl (button))

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
control key
Abbreviated "Ctrl" or "Ctl." A keyboard key that is pressed with a letter or digit key to command the computer; for example, holding down control and pressing U, turns on underline in many word processors. In documentation, the caret symbol is a common designation for the control key; for example, ^Y means Ctrl-Y.
control key [kən′trōl ‚kē]
(computer science)
A special key on a computer keyboard which, when depressed together with another key, generates a different signal than would be produced by the second key alone.


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