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Xerox 4112-4127 Enterprise Printing System-192 User Manual

Page 489

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Glossary

Using LCDS Print Description Language

Glossary-11

output

1. Material produced by a peripheral device of a computer, such
as a printout or a magnetic tape. 2. Result of completed
operations.

overprinting

Printing more than one character at the same position.

overprint ratio

Maximum number of variable data and form characters that may
be intersected by a single scan line.

page

1. In computer programming, a block of instruction, data, or both
that can be located in main or auxiliary storage. 2. In word
processing, a defined section of a document.

page orientation

Direction in which data is printed on a report. See also landscape
page orientation; portrait page orientation.

parameter

Part of a command other than the keyword.

pass-through job

On systems with XPAF, a job that is sent directly from a host to a
Xerox printer using XPAF, without undergoing XPAF processing.
See also XPAF.

patch

In programming, to modify a portion of the program at the
machine language level, as opposed to modifying at the source
program level.

PCC

printer carriage control

PDL

print description language. Language used to describe printing
jobs to an LPS. PDL describes the input (type, format,
characteristics), performs the processing functions (logical
processing), and describes the output (type, format, font
selection, accounting options).

pitch

1. Horizontal character spacing; 10-pitch (10 characters per inch)
spacing is called pica, and 12-pitch (12 characters per inch)
spacing is called elite. 2. The number of page images placed on
the xerographic belt during one revolution.

pixel

Acronym for picture element. Smallest addressable point of a bit-
mapped screen that can be independently assigned color and
intensity. Pixels are definable locations on a display used to form
images. For graphic displays, more pixels generally provide
higher resolution. Spots, dots, and pixels are used
interchangeably.

point

Unit of measurement equal to 0.0139 inch. Points are always
used to express type size and leading. There are 12 points to a
pica and about 72 points to every inch. See also pica.

portrait page

orientation

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