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I
I/O devices: Equipment used to communicate with the computer and
I/O: Input/output. Refers to acceptance and transfer of data to and from a
icon: A small graphic image displayed on the screen or in the indicator
iLINK (IEEE1394): This port enables high speed data transfer directly
infrared port: A cableless communications capable of using infrared
input: The data or instructions you provide to a computer,
instruction: Statements or commands that specify how to perform a
interface: 1) Hardware and/or software components of a system used
interrupt request: A signal that gives a component access to the
J
jumper: A small clip or wire that allows you to change the hardware
K
K: Taken from the Greek word kilo, meaning 1000; often used as
KB: See kilobyte.
keyboard: An input device containing switches that are activated by
kilobyte (KB): A unit of data storage equal to 1024 bytes. See also byte
Portégé M200
transfer data to and from it.
computer.
panel. In Windows, an icon represents an object that the user can
manipulate.
from external devices such as digital video cameras.
signals to send serial data.
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.
particular task.
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.
processor.
characteristics by electrically connecting two points of a circuit.
equivalent to 1024, or 2 raised to the 10th power. See also byte
and kilobyte.
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.
and megabit.
Glossary
8
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