| GLOSSARY |
MPU | microprocessor unit |
MTU | magnetic tape unit (refers to the |
| referred to as ªmagnetic tape driveº) |
OCR | optical character recognition |
OCS | operator communications subsystem |
OLI | online interface |
OS | operating system |
OSDS | operating system diagnostic software |
OSEXEC | operating system executive |
OSS | operating system software |
PC | personal computer |
PCC | printer carriage control |
PC UI | personal computer user interface |
PDL | print description language |
PE | phase encoded |
ppm | pages per minute |
PQA | print quality adjustment |
prom | programmable |
PSC | printer subsystem controller |
pt | point |
PWBA | printed wiring board assembly |
QIC | |
RAM | random access memory |
RIP | raster image processor |
XEROX 4635 LASER PRINTING SYSTEM PRODUCT REFERENCE |