Dell PowerEdge 1400SC User Manual
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Glossary
9
+!
Abbreviation for kilohertz, 1000 hertz.
6
Acronym for local area network. A LAN
system is usually confined to the same
building or a few nearby buildings, with all
equipment linked by wiring dedicated
specifically to the LAN.
Abbreviation for pound(s).
6
Abbreviation for liquid crystal display. A
low-power display often used for note-
book computers. An LCD consists of a
liquid crystal solution between two
sheets of polarizing material. An electric
current causes each crystal to act like a
shutter that can open to allow light past
or close to block the light.
6,
Abbreviation for light-emitting diode. An
electronic device that lights up when a
current is passed through it.
6&
Acronym for low insertion force. Some
computers use LIF sockets and connec-
tors to allow devices such as the
microprocessor chip to be installed or re-
moved with minimal stress to the device.
6
Abbreviation for load number.
On a computer with local-bus expansion
capability, certain peripheral devices
(such as the video adapter circuitry) can
be designed to run much faster than they
would with a traditional expansion bus.
Some local-bus designs allow peripherals
to run at the same speed and with the
same-width data path as the computer's
microprocessor.
6"
The MS-DOS device names for the first
through third parallel printer ports on your
computer are LPT1, LPT2, and LPT3.
6#
Acronym for logical unit number.
Abbreviation for meter(s).
Abbreviation for milliampere(s).
Abbreviation for milliampere-hour(s).
See coprocessor.
(
Abbreviation for megabyte(s). The term
megabyte means 1,048,576 bytes; how-
ever, when referring to hard-disk drive
storage, the term is often rounded to
mean 1,000,000 bytes.
('
Abbreviation for master boot record.
(
Abbreviation for monochrome display
adapter.
A computer can contain several different
forms of memory, such as RAM, ROM,
and video memory. Frequently, the word
memory is used as a synonym for RAM;
for example, an unqualified statement
such as "a computer with 8 MB of mem-
ory" refers to a computer with 8 MB of
RAM.
A specific location, usually expressed as
a hexadecimal number, in the computer's
RAM.
A utility that controls the implementation
of memory in addition to conventional
memory, such as extended or expanded
memory. See also conventional memory,
EMM, expanded memory, extended
memory, HMA, upper memory area, and
XMM.