IBM 5170 Technical Reference page 416

F. Fahrenheit.
Fahrenheit (F). A temperature scale. Contrast with Celsius (C).
falling edge. Synonym for negative-going edge.
FCC. Federal Communications Commission.
fetch. To locate and load a quantity of data from storage.
FF. The form feed character.
field.
(1)
In a record, a specified area used for a particular
category of data.
(2)
In a data base, the smallest unit of data that
can be referred to.
fixed disk. In the IBM Personal Computer, synonym for disk
drive. ,,-....,
flag. (1) Any of various types of indicators used for
identification.
(2) A
character that signals the occurrence of
some condition, such as the end of a word. (3) Deprecated term
for mark.
flexible disk. Synonym for diskette.
flip-flop. A circuit or device containing active elements, capable
of assuming either one of two stable states at a given time.
font. A family or assortment of characters of a given size and
style; for example, 10 point Press Roman medium.
foreground. (1) In multiprogramming, the environment in which
high-priority programs are executed.
(2)
On a color display
screen, the characters as opposed to the background.
Glossary-14