Xerox 721 Message Manual - page 300
GLOSSARY
XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE
GLOSSARY-7
data link
Physical means of connecting one location with another for
communication, such as the communications lines, modems, and
controls which transmit information between two or more
stations.
data processing
Operations carried out on data by means of algorithms and
programs to produce information or a specific result. The
rearrangement of data into a suitable form for further use.
data rate
In data communications, the rate at which a channel carries data,
measured in bits per second (bps).
data storage
Preservation of data on various media, for example, tape, disks,
magnetic bubble memory, and so on.
data transmission
Transmission of coded data over telephone or other
telecommunication lines.
debug
To detect and correct errors in a program.
decompose
To break down into component parts, such as when Interpress
breaks down a Font Interchange Standard (FIS) master to compile
font information.
default
Value assigned to a field by the system. Default fields may be
used for such items as document formats, menu selections, input
fields, font selection, and paper or image size. The default value
of a field may be changed.
descender
Portion of alphabetic character that extends below the baseline.
See also ascender, x height.
desktop
Basic display screen of the PC UI.
device
Any piece of hardware other than the central processing unit
(CPU).
digitize
To express or represent data in digital (binary) form so that it can
be processed electronically.
disk drive
Device that can read or write magnetic media.
display
Viewing device (monitor) that visually communicates system
warnings, status, and error messages and reflects operator
interaction with the system on a display.
DJDE
Dynamic Job Descriptor Entry. Command within an input data
stream used to modify the printing environment dynamically.
DMR
Command parameter that designates a Digital Equipment
Corporation host system.