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Parity, Parity Check
The addition of overhead bits to ensure that the total number of 1s in a
grouping of bits is either always even (for even parity) or always odd (for
odd parity). This permits detection of single errors. It may be applied to
characters, transmission blocks, or any convenient bit grouping.
PCL
See
HP PCL.
PCMCIA
An acronym for Personal Computer Memory Card International Associa-
tion, which sets industry guidelines for a standard 16-bit expansion socket
that accepts credit-card size memory cards (such as fonts). Type I card
slots accept 3.3 mm (.13") thick cards while Type II card slots accept 5 mm
(.20") cards.
Peripheral Device
A hardware device connected to a computer (such as a printer) or to a
printer (such as an external hard disk).
Permanent Soft Fonts
Permanent soft fonts are soft fonts downloaded into the printer's memory
that remain resident there, even if the printer is reset, until the printer is
turned off or the fonts are deleted by an application. See also
download
.
Physical Memory
The amount of RAM installed in the printer.
Point Size
The height of a character or symbol in a font. There are 72 points per inch.
This text is printed using a 10 point font.
Portrait Orientation
See
orientation.
PostScript
A page description language trademarked by Adobe Systems Incorporat-
ed. PostScript Level 2 capabilities, among others, are implemented in your
printer through a QMS-developed PostScript emulation. PostScript Level