control code

[kən′trōl ‚kōd] (computer science) A special code that is entered by a user to carry out a particular function, such as the moving or deleting of text in a word-processing program.

control code

(character)A character which is input or output to cause somespecial action rather than to appear as part of the data.

Most control characters are input by holding down (either of)the "Control" key(s) on the keyboard and simultaneouslypressing another key which may be a letter or (depending onthe keyboard and operating system) certain punctuationcharacters. Some control codes usually have their own specialkeys: escape, tab, delete, backspace, return and canthus be entered with a single keypress.

Different operating systems and programs have differentconventions for what effect typing certain control codes willhave, such as interrupting the current process or suspendingoutput.

Control codes may be output for their effect on the outputdevice, e.g. moving the cursor or print head to the start of anew line.

See control-O, control-Q, control-S.

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.

单词	control code
释义	DictionarySeecontrol character control code control code [kən′trōl ‚kōd] (computer science) A special code that is entered by a user to carry out a particular function, such as the moving or deleting of text in a word-processing program. control code (character)A character which is input or output to cause somespecial action rather than to appear as part of the data. Most control characters are input by holding down (either of)the "Control" key(s) on the keyboard and simultaneouslypressing another key which may be a letter or (depending onthe keyboard and operating system) certain punctuationcharacters. Some control codes usually have their own specialkeys: escape, tab, delete, backspace, return and canthus be entered with a single keypress. Different operating systems and programs have differentconventions for what effect typing certain control codes willhave, such as interrupting the current process or suspendingoutput. Control codes may be output for their effect on the outputdevice, e.g. moving the cursor or print head to the start of anew line. See control-O, control-Q, control-S. 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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