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GLOSSARY
XEROX 4635 LASER PRINTING SYSTEM INSTALLATION PLANNING GUIDE GLOSSARY-19
source Terminal node at which data enters a network. For example, a
computer transmitting data through telecommunication lines to
several other computers or receiving terminals.
source file File containing source language statements or commands.
source language Language, high-level or low-level, used by a programmer. A
source language must be converted by a compiler to machine
language for the instructions to be executed.
source program Program written in source language.
space Blank area between words, recognized as a character by word
and data processing systems.
special processing Commands allowing the user to process special reports, such as
printing certain records, or printing on special paper.
spooling Process of releasing data from main memory and storing it
temporarily until a peripheral device is ready to accept it, for
example storing text before sending it to a printer.
spot Unit of measurement representing a fraction of an inch, for
example, 300 spots per inch (spi). May also be referred to as a
picture element (pixel) or dot.
statement Detailed written instructions in a program step. A statement is
written according to specific rules called syntax.
station 1. In data communications, a terminal device connected to a
data link. 2. In computer networks, any of the numerous
terminal devices that form a network.
stock User-defined name in the JSL that specifies a certain type of
paper for printing a job.
stockset Collection of stocks to be used on a print job. See also stock.
storage Retention of information. Primary storage refers to internal
storage where data and program instructions pertinent to current
operations/jobs are held. Auxiliary storage refers to external
media, such as disks or tapes, for use at a later time.
string Connected sequence of alphanumeric characters treated as one
unit of data by a program.
symbol Character used in a computer language to specify a particular
function.
synchronous Efficient encoding of data suitable for high-speed, block-oriented
data transmission by using equal time elements.