control character

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control character

[kən′trōl ‚kar·ik·tər]
(computer science)
A character whose occurrence in a particular context initiates, modifies, or stops a control operation in a computer or associated equipment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

control code

One or more characters used as a command to control a device. The first 32 characters in the ASCII character set are control codes for communications and printers. There are countless codes used to control electronic devices. See escape code.
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