Xerox 4635 Installation Planning Manual page 85

file
XEROX 4635 LASER PRINTING SYSTEM INSTALLATION PLANNING GUIDE
feedback Portion of an output signal that is returned, directly or indirectly,
to be compared to a reference signal to maintain the quality of
an output signal.
file Set of records or text that can be stored and retrieved. An
organized, named collection of records treated as a unit. For
offline, it is the data between the two tape marks. For online, it
is the data between banner pages.
maintenance To keep a file up to date by regularly adding, changing, or
deleting data.
file protection To prevent the contents on a disk or tape from being erased or
written over by disabling the write head of a unit.
file purging To erase the contents of old files to make room for new data.
firmware Permanent programs stored in read-only memory (ROM).
FIS Font Interchange Standard. Standard that defines the digital
representation of fonts and character metrics for the generation
of an entire series of Interpress fonts.
fixed font Font containing characters with fixed spacing. See also
proportional font.
fixed pitch Font set in which every character cell has the same width. In
reference to character sets, this term describes typefaces in
which all character cells are of equal width. Monospaced as
opposed to proportional spaced.
fixed spacing Arrangement of characters on a line so that all characters occupy
the same amount of horizontal space.
flag Small indicator marking the occurrence of an event or the
existence of a certain condition while the program is executing.
font Set of images, usually characters and symbols, having common
characteristics such as style, width, height, and weight.
form 1. Compiled forms source library (.FSL) file. 2. Printed or typed
document with blank spaces for inserting information. Specific
arrangement of lines, text, and graphics stored in a computer
under an identifying name. Page of data that, when preceded by
proper commands, is stored on the system disk as a permanent
file. It may be merged with variable data by a form start
command. See also FDL; FSL.
format 1. Layout of a document, including margins, page length, line
spacing, typeface, and so on. 2. In data storage, the way the
surface of a disk is organized to store data. 3. To prepare the
surface of a disk for acceptance of data.
GLOSSARY
GLOSSARY-7