Xerox Printer Bedienungsanleitung PDF herunterladen (Seite 130)

HOST FORMS DESCRIPTION LANGUAGE

pixel Acronym for picture element. Smallest addressable point of a

bitmapped screen that can be independently assigned color and

intensity. Pixels are definable locations on a display used to form

images. For graphics 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 an inch. See also

pica

point size Height of character set from the top of its ascender to the

bottom of its descenders in units (points). Point size does not

always include leading.

portrait Orientation of print lines or the top of an illustration parallel to

the short edge of the paper. See also

orientation.

PDL Print description language. Language used to describe printing

jobs to an LPS. PDL describes the input (type, format, and

characteristics), performs the processing functions (logical

processing), and describes the output (type format, font

selection, and accounting options).

printer Output device that produces hardcopy printouts.

printout Informal expression referring to almost anything printed by a

computer peripheral device.

process 1. To perform a systematic sequence of operations, such as add,

edit, or delete. 2. To produce a specific result by manipulating

data.

processor Applies to any system that is capable of receiving and performing

operations upon data and supplying the results to those

operations.

program Complete set of instructions in a language compatible with the

device to be used. A program directs a system to perform each

operation at the right time in the proper sequence.

programmer Person involved in designing, writing, and testing computer

programs.

prompt Message or symbol displayed on a system console requiring the

operator to take action.

proportional font Font containing characters that vary in width.

proportional spacing Text in which each alphanumeric character is given a weighted

amount of space is proportionally spaced. 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.

purge To delete data from a system.

query Request for data or other information entered by an operator

while the system is processing.

queue List of documents waiting to be processed.

real time To process transactions as they are entered into a system. User

and system interchange allow transactions to be processed and

the results returned to the user.

record Collection of data or words treated as a unit.

GLOSSARY–10 HOST FORMS DESCRIPTION LANGUAGE 3.2 FOR IBM MVS CREATING FORMS

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