Glossary
processing. This file is referred to by
DOS during system startup.
configuration. (1) The manner in which
the hardware and software of an
information processing system are
organized and interconnected. (2) The
physical and logical arrangement of
devices and programs that make up a
data processing system. (3) The devices
and programs that make up a system,
subsystem, or network.
CRT. Cathode ray tube display.
device driver. (1) A file that contains
the code needed to use an attached
device. (2) A program that enables a
computer to communicate with a specific
peripheral device—for example, a printer,
a video disc player, or a CD drive. (3) A
collection of subroutines that control the
interface between I/O device adapters
and processors.
DIMM. Dual inline memory module.
directory. A type of file containing the
names and controlling information for
other files or other directories.
DMA. Direct memory access. The
transfer of data between memory and
input/output units without processor
intervention.
double-click. To press and release a
mouse button twice within a time frame
defined by the user, without moving the
pointer off the choice.
ECP. Extended Capability Port.
EGA. Enhanced graphics adapter.
EIA. Electronics Industries Association.
EIA-232D. An EIA interface standard
that defines the physical, electronic, and
functional characteristics of an interface
line that connects a communication
device and associated workstation. It
uses a 25-pin connector and an
unbalanced line voltage.
EMS. Expanded memory specification.
FAQ. Frequently asked questions.
fax. (1) Facsimile machine. (2) A
transmitted document from a facsimile
machine.
fixed disk. In personal computing,
fixed
disk
is synonymous with
hard disk
.
Flash memory. Electrically rewritable
storage.
folder. A file used to store and organize
documents.
fuel gauge. An indicator on the screen
that constantly shows the current power
status of the battery pack.
gigabyte (GB). 1 billion bytes.
hard disk drive (HDD). A stand alone
disk drive that reads and writes data on
rigid disks and can be attached to a port
on the system unit.
HHR. Half-horizontal resolution.
hibernation. One of the power-saving
methods that stores data and
applications running in the computer's
memory on the hard disk. During
hibernation, the computer is automatically
turned off to save power. When power is
turned on again, the computer
immediately restores the same data and
applications as when hibernation started,
without restarting the operating system.
high-resolution mode. Video
resolutions that are greater than 640 by
480 pels.
icon. A graphic symbol, displayed on a
screen, that a user can point to with a
194 IBM ThinkPad 380XD/385XD User's Guide
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