A monitor that supports several video standards. A multi-
frequency monitor can adjust to the frequency range of the
signal from a variety of video adapters.
Abbreviation for millivolt(s).
Acronym for nickel cadmium.
Abbreviation for nickel-metal hydride.
Acronym for NetWare
Abbreviation for nonmaskable interrupt. A device sends
an NMI to signal the microprocessor about hardware er-
rors, such as a parity error.
A technique for decreasing screen flicker by sequentially
refreshing each horizontal line on the screen.
Abbreviation for nanosecond(s), one billionth of a second.
Abbreviation for the NT File System option in the Win-
dows NT operating system.
Abbreviation for nonvolatile random-access memory.
Memory that does not lose its contents when you turn off
your computer. NVRAM is used for maintaining the date,
time, and system setup options.
Abbreviation for Operating System/2.
Abbreviation for one-time programmable.
An I/O port used most often to connect a parallel printer
to your computer. You can usually identify a parallel port
on your computer by its 25-hole connector.
A value or option that you specify to a program. A param-
eter is sometimes called a switch or an argument.
You can divide a hard-disk drive into multiple physical
sections called partitions with the fdisk command. Each par-
tition can contain multiple logical drives. For example, you
could partition a 200-MB hard-disk drive into two physically
separate partitions with three logical drive assignments, as
shown in the following table.
Partitioning the Hard-Disk Drive
Physical Partitions and Sizes
Logical Drive Assignments and Sizes
After partitioning the hard-disk drive, you must format
each logical drive with the format command.
Slightly larger than a credit card, a PC Card is a removable
I/O card—such as a modem, LAN, SRAM, or flash mem-
ory card—that adheres to the PCMCIA standards. See also
Abbreviation for Peripheral Component Interconnect. A
standard for local-bus implementation developed by Intel
Abbreviation for Personal Computer Memory Card Inter-
national Association. See also PC Card.
An internal or external device—such as a printer, a disk
drive, or a keyboard—connected to a computer.
Abbreviation for pin grid array, a type of microprocessor
socket that allows you to remove the microprocessor chip.