IBM 5170 Technical Reference page 417

foml feed.
(1)
Paper movement used to bring an assigned part of
a form to the printing position. (2) In word processing, a
function that advances the typing position to the same character
position on a predetermined line of the next form or page.
fomt feed character. A control character that causes the print or
display position to move to the next predetermined first line on
the next form, the next page, or the equivalent.
fomtat. The arrangement or layout of data on a data medium.
frame.
(1)
In SDLC, the vehicle for every command, every
response, and all information that is transmitted using SDLC
procedures. Each frame begins and ends with a flag. (2) In data
transmission, the sequence of contiguous bits bracketed by and
including beginning and ending flag sequences.
g. Gram.
G.
(1)
Prefix giga; I 000000000. (2) When referring to
computer storage capacity, 1 073 741 824.
(1
073 741 824
=
2 to
~
the 30th power.)
gate. (1)
A
combinational logic circuit having one output channel
and one or more input channels, such that the output channel
state is completely determined by the input channel states. (2) A
signal that enables the passage of other signals through a circuit.
Gb.
1 073 741 824 bytes.
general-purpose register. A register, usually explicitly addressable
within a set of registers, that can be used for different purposes;
for example, as an accumulator, as an index register, or as a
special handler of data.
giga (G). Prefix 1 000000000.
Glossary-1S