Xerox 4635 Installation Planning Manual page 86

GLOSSARY
GLOSSARY-8
FSL forms source library. Uncompiled collection of user-created files
containing FDL commands. See also FDL; form.
function keys Keyboard keys that produce no character but initiate a particular
machine function, such as delete.
fuse To affix dry ink to paper by heat or pressure or a combination of
both.
GCR group code recording mode. Refers to the specific density of
data (such as 6250 bpi) as it is recorded on tape, which is
measured in bits per inch (bpi).
graphics Use of lines and figures to display data, as opposed to using text.
grid Imaginary pattern of evenly spaced horizontal and vertical lines
on a page.
grid unit Smallest rectangle enclosed by horizontal and vertical lines on a
grid. The size of a grid unit is expressed as the length of one
side of a rectangle.
halftone screen A tool used in offset printing, typesetting, and laser printing to
convert a continuous tone (such as photographic) image to dots,
which allows the image to be rendered accurately in these
printing processes.
hardcopy Machine output in permanent form, such as printed reports,
listings, and so on. Output in a permanent form (usually on
paper or paper tape) rather than in temporary form, as on a
display. Contains readable printed copy of machine (for
example, computer) output.
hardware Physical components, such as mechanical, magnetic, and
electronic elements of a system, as opposed to programs,
procedures, rules, and associated documentation. Hardware is
operated by software and firmware.
HCF high-capacity feeder. Feeder tray capable of holding 2500 sheets
of 20 pound/75 gsm paper. The high-capacity feeder trays are
the primary paper supply for the 4635 LPS. They are located in
the bottom half of the feeder/stacker modules.
HCS high-capacity stacker. Stacker bin capable of holding 2500 sheets
of 20 pound/75 gsm paper. In the 4635 LPS, the high-capacity
stacker bins are located in the top half of the feeder/stacker
modules.
hierarchy Relative priority assigned to arithmetic or logical operations that
must be performed.
XEROX 4635 LASER PRINTING SYSTEM INSTALLATION PLANNING GUIDE