hardware (From the
IBM 3270 terminal's Programmed Function
Keys (PF keys)) One of a set of special keys on a computer or
terminal keyboard which can be programmed so as to cause an
Function keys on a terminal may either generate short fixed
sequences of characters, often beginning with the
escapecharacter (
ASCII 27), or the characters they generate may be
configured by sending special character sequences to the
terminal.
a fixed, single byte code, outside the normal
ASCII range,
which is translated into some other configurable sequence by
(1995-02-07)