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Xerox 4635 User Manual

Page 317

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GLOSSARY

GLOSSARY-24

XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE

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.

stack

Internal structure for storing data.

statement

Detailed written instructions in a program step. A statement is
written according to specific rules called syntax.

static data

Information usually found on preprinted forms or overlays.

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. See also cluster.

stockset

Collection of stocks to be used on a print job. See also stock;
cluster.

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.

symbiont

Device which shares a common purpose and close association
with other devices. This term is used to identify the Xerox print
software which resides in the Digital host system as part of the
XPMF-VMS communications link.

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.

syntax

Rules governing the structure of expressions in a programming
language.

syntax error

System response to a mistake in a command entry.