function key definition

  • noun:
    • A key on a computer keyboard that triggers a function within a given application when pressed, both alone or in different combinations using the alt key, the move key, and control key.
    • some of some secrets on your own computer or terminal keyboard used to activate a predefined or programmable purpose; frequently labelled F1 to F12, and used in combination with all the shift secret, alt secret and control key
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