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Toshiba Satellite Pro 4320 User Manual

Page 218

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Glossary 8

User's Manual

Satellite Pro 4200/4300 User's Manual – 4200_UK.doc – ENGLISH – Printed on 27/01/00 as IM_420UK

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.

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.

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.

J

jumper: A small clip or wire that allows you to change the hardware

characteristics by electrically connecting two points of a circuit.

K

K: Taken from the Greek word kilo, meaning 1000; often used as

equivalent to 1024, or 2 raised to the 10th power. See also byte
and kilobyte.

KB: See kilobyte.

keyboard: An input device containing switches that are activated by

manually pressing marked keys. Each keystroke activates a switch
that transmits a specific code to the computer. For each key, the
transmitted code is, in turn, representative of the (ASCII) character
marked on the key.

kilobyte (KB): A unit of data storage equal to 1024 bytes. See also byte

and megabyte.