Toshiba Satellite Pro A120 (PSAC1) - Manual (Page 195)

User’s Manual Glossary-8
Glossary
G
gigabyte (GB): A unit of data storage equal to 1024 megabytes. See also
megabyte.
graphics: Drawings, pictures, or other images, such as charts or graphs,
to present information.
H
hard disk drive (HDD): An electromechanical device that reads and
writes a hard disk. See also hard disk.
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.
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
i.LINK (IEEE1394): This port enables high-speed data transfer directly
from external devices such as digital video cameras.
I/O devices: Equipment used to communicate with the computer and
transfer data to and from it.
I/O: Input/output. Refers to acceptance and transfer of data to and from a
computer.
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.
infrared port: A cableless communications port capable of using infrared
signals to send serial data.
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.