Dell PowerEdge 1400, User Manual

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10 User’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.
7
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.