Xerox 4890 Advanced Product Reference - page 112
GLOSSARY
GLOSSARY-6
XEROX 4890 HIGHLIGHT COLOR LPS PRODUCT REFERENCE
descender
Portion of the lowercase alphabetic character that extends below
the main body of characters such as g, p, or y. See also
ascender.
DEC
Digital Equipment Corporation.
device
Any piece of hardware other than the CPU (Central Processing
Unit).
digitize
To express or represent data in digital (binary) form so that it can
be processed electronically.
DJDE
Dynamic job descriptor entry. Command within an input data
stream used to modify the printing environment dynamically.
DMA
Direct memory access.
DMR
Data mode ready. Command parameter that designates a Digital
Equipment Corporation host system.
document
1. Data medium and the data recorded on it, usually permanent,
which can be read by you or a computer. 2. Collection of
information pertaining to a specific subject or related subjects.
dot
Picture element (pixel) imaged by a printer. The number of dots
imaged per inch measures printer resolution, for example, 300
dots per mich (dpi). See also spot.
dpi
Dots per inch. Indicates the number of dots per inch displayed
on a terminal screen or printed to form a character or graphic.
dry ink
Minute particles of resin and carbon black that can accept an
electrical charge and create images. Resin and carbon black or
color pigment toner are combined with developer to form the
dry ink.
DSDD
Double sided double density.
DSSD
Double sided single density.
DSU
Digital signal unit.
duplex
1. Ability of a data communications system to send and receive
information simultaneously. 2. In printing, duplex means printing
on both sides of the paper.
dynamic Job descriptor entry
See DJDE.
EBCDIC
Extended binary coded decimal interchange code. Coded
character set consisting of up to 256 8-bit coded characters.