Xerox 721P83071 manual microprocessor unit

Models: 721P83071

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microprocessor unit

 

GLOSSARY

MPU

microprocessor unit

MTU

magnetic tape unit (refers to the 9-track magnetic tape drive; also

 

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 read-only memory

PSC

printer subsystem controller

pt

point

PWBA

printed wiring board assembly

QIC

quarter-inch cartridge

RAM

random access memory

RIP

raster image processor

XEROX 4635 LASER PRINTING SYSTEM PRODUCT REFERENCE

GLOSSARY-21

Page 108
Image 108
Xerox 721P83071 manual microprocessor unit