Printed Circuit
Board
QMS 4525 Print System User's GuideG-14
Printed Ci rcuit Boa rd
A flat board made of plastic, fiberglass, or another nonconducting material
on which chips and other e lectronic components are mounted.
Printer Driver
A printer driver is a file that enables the appl ication to talk with the printer.
Usually, the printer driver is installed within an application.
Printer Option
An accessory that may be pu rchased for the printer to expand its
capabilities. These accessories include S IMM boards (RAM expansions),
network interface cards, and external hard disks.
PROM
Programmable Read Only Memory. A storage device that can be
programmed by electrical pulses. A PROM does not lose its memory when
the printer is turned off.
Protocol
A set of procedures that contr ol how data is transmitted between d evices.
Quarto
A paper size of 8.0" x 10.0" (203 mm x 254 mm).
Queue
A list of documents or jobs waiting to be printed.
RAM
Random Access Memory. RAM specifies the memory that is transient.
Information or data in RAM is lost when the power is turned off or severely
interrupted.
Raster Graphics
The system of forming graphics using a bitmap, or grid of small dots. The
term “raster” denotes the Cartesian grid system in which the dot s are
arranged. Bitmaps can define images, shapes, or char acters created with
a specific number of dots per inch. See also
bitmap
.
Resident
Permanently stored in the printer's memory.