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GLOSSARY
XEROX 4635 LASER PRINTING SYSTEM INSTALLATION PLANNING GUIDE GLOSSARY-17
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.
read/write head Input/output device that reads and writes data in the form of
magnetic dots on the surface of an external storage medium,
such as a magnetic disk.
record Collection of data or words treated as a unit.
recovery Act of overcoming a problem or error during processing.
Typically, a specialized software recovery routine gains control
and attempts to resolve the error without crashing the system.
remote access Access to a central computer by terminals or devices
geographically separated from that computer.
replace Process of exchanging one portion of text for another. This
process encompasses two functions: deleting old text and
inserting new.
report In setting a separation boundary through the Bin Full Criteria
task, report refers to a subset of a job (a job may consist of one
or more reports).
resolution Number of dots per unit. The LPS imaging system converts a
character from digitized data into a printed image composed of
these tiny dots. The greater the number of dots per inch, that is,
the resolution, the clearer the image that is produced.