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HOST FORMS DESCRIPTION LANGUAGE
proportional font
proportional spacing
proportional type
GLOSSARY–10
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.
Font containing characters that vary in width.
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.
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.
HOST FORMS DESCRIPTION LANGUAGE 3.2 FOR IBM MVS CREATING FORMS
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