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turned off to save power. When power is
turned on again, the computer imme-
diately restores the same data and appli-
cations as when hibernation mode
started, without restarting the operating
system.
high-resolution mode. Video resol-
utions that are greater than 640 x 480
pels.
HPA. High performance addressing.
icon. A graphic symbol, displayed on a
screen, that a user can point to with a
pointing device such as a TrackPoint or
mouse to select a particular function or
software application.
IDE. Integrated device electronics.
IR. Infrared.
IRQ. Interrupt request.
ISA. Industry standard architecture.
ISO. International Organization for
Standardization.
JEIDA. Japan Electronics Industry
Development Association.
kilobyte (KB). 1024 bytes.
LAN. Local area network.
LCD. Liquid crystal display.
LPT1 or LPT2. The name you can
assign a parallel port to specify its
address. See also parallel port.
mAh. Milliampere hours.
MCI. Media Control Interface.
megabyte (MB). 1024 kilobytes. About
1 million bytes.
memory. Often referred to as random-
access memory (RAM), measured in kilo-
bytes (KB) or megabytes (MB) of
information.
MHz. Megahertz.
microcode. One or more microin-
structions used in a product as an alter-
native to hard-wired circuitry to
implement functions of a processor or
other system component.
MIDI. Musical Instrument Digital Inter-
face.
modem. A device that connects your
computer to a telephone line, allowing it
to communicate with another computer at
another location.
parallel port. A port used to attach
such devices as dot-matrix printers and
input/output units; it transmits data 1 byte
at a time.
partial suspend mode. A kind of
suspend mode where only a part of the
system components use power.
parity check. A redundancy check by
which a recalculated parity bit is com-
pared with the pregiven parity bit.
password. A series of letters or
numbers that you designated to restrict
access to your computer.
PC Card. A card that is based on the
PCMCIA standard.
PCMCIA. Personal Computer Memory
Card International Association.
pel. Picture element.
picture element. In computer graphics,
the smallest element of a display surface
that can be independently assigned color
and intensity.
pixel. Picture element.
Glossary
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