Xerox 180 User Manual
Page 356

GLOSSARY
GLOSSARY-24
XEROX DOCUPRINT 180 LPS OPERATOR GUIDE
write
To record data in memory or an external storage medium.
write protection
Data protection feature implemented on magnetic media (for
example floppy disk, 9-track tape) to prevent stored data from being
modified, written over, or erased.
x axis
Horizontal axis on a forms grid.
xdot
Unit of measurement representing a fraction of an inch. It may also
be referred to as a picture element (pixel) or spot, for example, 1/600
spots per inch (spi).
xerographic engine
Component of a printer that develops an image, transfers it to paper,
and fuses it for output as hardcopy.
x height
Height of lowercase letters without their ascenders or descenders
(height of letter “x”). See also ascender; descender.
y axis
Vertical axis on a forms grid
ACT
Advanced Customer Training
AFP
Advanced Function Printing
ANSI
American National Standards Institute
ASCII
American Standard Code for Information Interchange
BCD
binary coded decimal
BOF
bottom of form
BOT
beginning of tape
bpi
bits per inch
bps
bits per second
BSC
binary synchronous communications
CD
character dispatcher
CDC
control data communications
CD/IG
character dispatcher/image generator