IBM RT User's Setup Manual page 393

A flat, circular plate with magnetic
disk.
surfaces on which information can be
stored.
See
disk drive. fixed-disk drive.
thin, flexible magnetic plate
diskette. A
that is permanently sealed in a protective
cover. diskette is used to store
A
information copied from a fixed disk.
The mechanism used to
diskette drive.
read and write information on diskettes.
The part of the display
display screen.
device that displays information visually.
Electronic Industries Association.
EIA.
The mechanism used to
fixed-disk drive.
read and write information on a fixed
disk.
A type of data created from
graphics.
fundamental drawing units such as lines,
geometric shapes, curves, and so on.
The equipment, as opposed to
hardware.
the programming or software, of a system.
See
I/O. inputjoutput.
input/output (I/O).
computing system that enter data into the
system, receive data from the system, or
both.
A device to which a wire or wires
jack.
of an electrical circuit can be attached.
The jack is designed for insertion of a
plug. See
connector.
X-2 Options Installation
Devices in a
A special length of wire
jumper.
connecting two pins of an adapter or
printed circuit card.
1024 bytes.
K byte (Kb).
A security feature in
keylock feature.
which a lock and key can be used to
restrict use of a system or display station.
kilogram; 1000 grams.
kg.
The fundamental unit of mass
kilogram.
in the International System; about 2.2046
pounds.
To place a diskette into a diskette
load.
drive.
m.
See meter.
M. Mega; 1 000 000. In referring to
computer memory, 1 048 576 bytes.
A displayed list of items from
menu.
which an operator can select tasks.
A measurement of distance equal
meter.
to 39.37 inches.
Millimeter. A metric unit of
mm.
measure equivalent to 0.0394 inches.
A small user-input device
mouse.
externally attached to the system unit.
See
modulator-demodulator.
modem.
modulator-demodulator (modem). A
device that converts data from the
computer to a signal that can be
transmitted on a communications line, and