NEC Express 5800 TM700 User Manual page 127

TM700 User Guide - Glossary
O
operating system
A set of programs that provides the interface between other software programs and the
computer.
P
parallel port
The connector on the back of your computer that allows the transfer of data between
the computer and a parallel device, such as a parallel printer.
partition
The process of dividing the storage space on a hard disk into separate areas so that the
operating system treats them as separate disk drives.
password
A security feature that prevents an unauthorized user from operating your computer.
See also EEPROM.
PCI
Peripheral Component Interconnect. PCI is a high-performance peripherals I/O bus
supporting data transfers of up to 528MB per second.
Pentium
A type of microprocessor, with a built-in math coprocessor, cache memory, and mem-
ory and bus controllers, that processes and communicates 32 bits of data at a time. This
microprocessor also contains power management capabilities.
peripheral
A device connected to and controlled by the computer, such as an external disk drive or
a printer.
POST
Power-On-Self-Test.
R
real-time clock
The IC in your computer that maintains the time and date.
ROM
(Read-Only Memory) A type of memory device that usually is used to store system
BIOS code. This code cannot be altered and is not lost when the computer is powered
off. See also BIOS, EPROM, and flash EPROM.
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