User guide

10 Us er’s Guide
()
Abbreviation for monochrome graphics
adapter.
(+!
Abbreviation for megahertz.

Because it is the primary computational
chip inside the computer, it is customary
to refer to the microprocessor as "the
computer's brain." The microprocessor
contains an arithmetic processing unit and
a control unit. Software written for one
microprocessor must usually be revised
to run on another microprocessor. CPU is
a synonym for microprocessor.

Abbreviation for minute(s).

A type of data redundancy that uses a set
of physical drives to store data and one or
more sets of additional drives to store du-
plicate copies of the data. Mirroring is the
preferred data redundancy technique in
lower-capacity systems and in systems
where performance is extremely impor-
tant. See also guarding, RAID 1, and
RAID 10.

Abbreviation for millimeter(s).

A pointing device that controls the
movement of the cursor on a screen.
Mouse-aware software allows you to
activate commands by clicking a mouse
button while pointing at objects displayed
on the screen.
(
Abbreviation for multiprocessing
specification.

Abbreviation for millisecond(s).
(% 
Abbreviation for Microsoft Disk Operating
System.
("&
Abbreviation for mean time between
failures.
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A monitor that supports several video
standards. A multifrequency monitor can
adjust to the frequency range of the signal
from a variety of video adapters.
8
Abbreviation for millivolt(s).

Acronym for network interface controller.

Acronym for nickel cadmium.
(+
Abbreviation for nickel-metal hydride.
6(
Acronym for NetWare Loadable Module.
(
Abbreviation for nonmaskable interrupt. A
device sends an NMI to signal the micro-
processor about hardware errors such as
parity errors.

A technique for decreasing screen flicker
by sequentially refreshing each horizontal
line on the screen.

Abbreviation for nanosecond(s), one bil-
lionth of a second.
"&
Abbreviation for the NT File System op-
tion in the Windows NT operating system.
8'(
Abbreviation for nonvolatile random-
access memory. Memory that does not
lose its contents when you turn off your
computer. NVRAM is used for maintain-
ing the date, time, and system setup
options.
"
Abbreviation for one-time programmable.