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Xerox 4635 User Manual

Page 306

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GLOSSARY

XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE

GLOSSARY-13

job control

Program called into storage to prepare each job or job step to
be run.

job management

Collective functions of job scheduling and command processing.

JSL

job source library. Collection of uncompiled job descriptions.
See also job; JDE; and JDL.

keyboard

Group of alphabetic, numeric, and/or function keys used to enter
information into a system.

keyword

Required part of a command. See also operator command.

label

1. In data storage, a reference to a file saved on tape or disk, a
record indicating the file name or date created, or other control
information. 2. In programming, a name assigned to a particular
instruction or portion of a program as a locational reference (the
computer translates the label into an address).

landscape page orientation

Orientation of print lines or top of an illustration parallel to the
long edge of the paper if the sheet is within the standard size
range. (Sheets larger than standard have the reverse print
orientation.)

language

Defined set of characters and symbols combined together by
specific rules. See also high-level language; low-level language.

laser printing

Technology that uses a laser to transfer character forms to a page
by direct or indirect means.

latent image

Static charge present on the photoconductor before contact with
dry ink particles.

leading

1. Vertical distance between lines (also called line space),
measured from a baseline of one line to the baseline of the next.
2. Extra spacing between lines of type. 3. In typography,
spacing between lines and paragraphs.

LED

light emitting diode. Solid substance that glows when a current
is passed through it. Often used for indicator lights on disk
drives or modems, as well as for displays on other electronic
equipment.

LEF

long-edge feed. The movement of paper through the printer in
the direction of the paper length (the longer side of a sheet of
paper).

legal size

Sheet the standard size of legal briefs, 8.5 by 14 inches.

letter size

Paper sized 8.5 by 11 inches/216 by 279 mm.