Toshiba Tecra A7 - Manual (Page 176)

User’s Manual Glossary-8
Glossary
G
gigabyte (GB): A unit of data storage equal to 1024 megabytes. See also
megabyte.
GND: Ground. An RS-232C signal used in the exchange of data between a
computer and serial device.
graphics: The use of 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. 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 dock/undock: Connecting or disconnecting a device to or from the
computer while the computer’s power is turned on.
hotkey: 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/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.
iLINK (IEEE1394): This port enables high-speed data transfer directly from
external devices such as digital video cameras.
infrared port: A cableless communications capable of using infrared
signals to send serial data.