Xerox DocuPrint t 180 System Generation Manual page 79

GLOSSARY
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.
protocol Formal set of conventions governing the format of data and the
control of information exchange between two communication
devices.
purge To delete data from a system.
queue List of documents waiting to be processed.
RAM random access memory. Storage that allows data, such as
documents, to be stored and retrieved directly by address location
without reading through any other data.
raster data Binary data, usually consisting of dots arranged in scan lines,
according to the print order.
rasterization Creation of a page's bit map image for printing.
XEROX DOCUPRINT 180 LPS SYSTEM GENERATION GUIDE GLOSSARY-17