Xerox 4635 - Manual (Page 313)

GLOSSARY
GLOSSARY-20 XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE
pixel Acronym for picture element. Smallest addressable point of a
bit-mapped screen that can be independently assigned color and
intensity. Pixels are definable locations on a display used to form
images. For graphic displays, more pixels generally provide
higher resolution. Spots, dots, and pixels are used
interchangeably.
point Unit of measurement equal to 0.0139 inch. Points are always
used to express type size and leading. There are 12 points to a
pica and about 72 points to every inch. See also pica.
point size Height of character set from the top of its ascenders to the
bottom of its descenders in units (points). Point size does not
always include leading.
portrait page orientation Orientation of print lines or the top of an illustration parallel to
the short edge of the paper if the sheet is within the standard
size range. Sheets larger than standard have the reverse print
orientation.
printer Output device that produces hardcopy printouts. Also referred
to as the IOT.
print file Position of the system disk memory (up to 4 MB) received for
temporary storage of formatted pages for printing. Pages are
retained until they are delivered to the output tray.
printout Informal expression referring to almost anything printed by a
computer peripheral device.
process 1. To perform a systematic sequence of operations, such as add,
edit, delete. 2. To produce a specific result by manipulating
data.
program Complete set of instructions in language compatible with the
device to be used. A program directs a system to perform each
operation at the right time in the proper sequence.
programmer Person involved in designing, writing, and testing computer
programs.
prompt Message or symbol displayed on a system console requiring the
operator to take action.
proportional font Font containing characters that vary in width. See also fixed font.
proportional spacing Text in which each alphanumeric character is given a weighted
amount of space. Such output has print-like appearance.
Proportional spacing allows more space for wide characters and
less space for narrow characters
proportional type Characters that vary in width.