Motorola MVME2400 manual Operating System. The software that manages the computer

G L O S S A R Y

	Glossary
OS	Operating System. The software that manages the computer
	resources, accesses files, and dispatches programs.
OTP	One-Time Programmable
palette	The range of colors available on the screen, not necessarily
	simultaneously. For VGA, this is either 16 or 256 simultaneous
	colors out of 262,144.
parallel port	A connector that can exchange data with an I/O device eight bits at
	a time. This port is more commonly used for the connection of a
	printer to a system.
PCI (local bus)	Peripheral Component Interconnect (local bus) (Intel). A high-
	performance, 32-bit internal interconnect bus used for data transfer
	to peripheral controller components, such as those for audio, video,
	and graphics.
PCMCIA (bus)	Personal Computer Memory Card International Association (bus).
	A standard external interconnect bus which allows peripherals
	adhering to the standard to be plugged in and used without further
	system modification.
PCR	PCI Configuration Register
PDS	Processor Direct Slot
PHB	PCI Host Bridge
physical address	A binary address that refers to the actual location of information
	stored in secondary storage.
PIB	PCI-to-ISA Bridge
pixel	An acronym for picture element, and is also called a pel. A pixel is
	the smallest addressable graphic on a display screen. In RGB
	systems, the color of a pixel is defined by some Red intensity, some
	Green intensity, and some Blue intensity.
PLL	Phase-Locked Loop
PMC	PCI Mezzanine Card
POWER	Performance Optimized With Enhanced RISC architecture (IBM)
PowerPC™	The trademark used to describe the Performance Optimized With
	Enhanced RISC microprocessor architecture for Personal
	Computers developed by the IBM Corporation. PowerPC is
	superscalar, which means it can handle more than one instruction per

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