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oz
Ounce. A measurement of weight that equals 1/16 of a lb.
Parallel Port
An I/O port on your computer that transfers data eight bits at a time. It uses
a 25-pin, female subminiature-D connector, typically to connect a printer.
Also referred to as an LPT port.
PBX
Private branch exchange. A telephone system owned and operated by a private
organization rather than the telephone company. This telephone system
switches calls between users in the organization on internal lines while
allowing users to share a certain number of external phone lines. The main
purpose of a PBX is to save the cost of requiring a separate telephone line for
each user.
PC
Personal computer. Commonly used to describe an IBM-compatible
computer, as opposed to an Apple Macintosh computer.
PCI
Peripheral Component Interconnect. A standard for expansion cards developed
by Intel Corporation. PCI is a local bus that supports 32- and 64-bit data
paths, providing a high-speed data path between the microprocessor and
devices such as video, drives, network, and so on. PCI devices are PnP-
compliant.
PET
Platform event trap. A platform event is an alarm or specified condition that
originates directly from a computer’s BIOS or hardware components such as
the microprocessor or a chip. The event occurs independently of the OS or
system management software and hardware. The platform event trap is a
format used for communicating a platform event in an SNMP environment.
PGA
Pin grid array. A type of socket for a computer chip. The PGA socket has all
its pins lined up in even rows, as opposed to the SPGA socket, which has its
rows staggered.
Pipeline Processing
A method of processing in which a task is performed in stages: the output of
one stage is input to the next stage.This method speeds up processing by
allowing several parts of multiple tasks to be run simultaneously.