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User’s Manual Glossary-8
Glossary
graphics: Drawings, pictures, or other images, such as charts or graphs,
to present information.
H
hard disk: A non-removable disk usually referred to as drive C. The
factory installs this disk and only a trained engineer can remove it
for servicing. Also called fixed disk.
hard disk drive (HDD): An electromechanical device that reads and writes
a hard disk. See also hard disk.
hardware: The physical electronic and mechanical components of a
computer system: typically, the computer itself, external disk drives,
etc. See also software and firmware.
hertz: A unit of wave frequency that equals one cycle per second.
hexadecimal: The base 16 numbering system composed of the digits 0
through 9 and the letters A, B, C, D, E, and F.
host computer: The computer that controls, regulates, and transmits
information to a device or another computer.
hot key: The computer’s feature in which certain keys in combination with
the extended function key, FN, can be used to set system
parameters, such as speaker volume.
HW Setup: A TOSHIBA utility that lets you set the parameters for various
hardware components.
I
icon: A small graphic image displayed on the screen or in the indicator
panel. In Windows, an icon represents an object that the user can
manipulate.
i.LINK (IEEE1394): This port enables high-speed data transfer directly
from external devices such as digital video cameras.
input: The data or instructions you provide to a computer, communication
device or other peripheral device from the keyboard or external or
internal storage devices. The data sent (or output) by the sending
computer is input for the receiving computer.
instruction: Statements or commands that specify how to perform a
particular task.
interface: 1) Hardware and/or software components of a system used
specifically to connect one system or device to another.
2) To physically connect one system or device to another to
exchange information.
3) The point of contact between user, the computer, and the
program, for example, the keyboard or a menu.
interrupt request: A signal that gives a component access to the
processor.
I/O: Input/output. Refers to acceptance and transfer of data to and from a
computer.