Dell Latitude ATG D620 User Manual page 200

Glossary: Dell Latitude ATG D620 User's Guide
integrated into the hard drive or CD drive.
IEEE 1394 — Institute of Electrical and Electronics Engineers, Inc. — A high-performance serial bus
used to connect IEEE 1394-compatible devices, such as digital cameras and DVD players, to the
computer.
infrared sensor — A port that allows you to transfer data between the computer and infrared-
compatible devices without using a cable connection.
integrated — Usually refers to components that are physically located on the computer's system
board. Also referred to as built-in.
I/O — input/output — An operation or device that enters and extracts data from your computer.
Keyboards and printers are I/O devices.
I/O address — An address in RAM that is associated with a specific device (such as a serial
connector, parallel connector, or expansion slot) and allows the processor to communicate with that
device.
IrDA — Infrared Data Association — The organization that creates international standards for infrared
communications.
IRQ — interrupt request — An electronic pathway assigned to a specific device so that the device can
communicate with the processor. Each device connection must be assigned an IRQ. Although two
devices can share the same IRQ assignment, you cannot operate both devices simultaneously.
ISP — Internet service provider — A company that allows you to access its host server to connect
directly to the Internet, send and receive e-mail, and access websites. The ISP typically provides you
with a software package, user name, and access phone numbers for a fee.
K
Kb — kilobit — A unit of data that equals 1024 bits. A measurement of the capacity of memory
integrated circuits.
KB — kilobyte — A unit of data that equals 1024 bytes but is often referred to as 1000 bytes.
key combination — A command requiring you to press multiple keys at the same time.
kHz — kilohertz — A measurement of frequency that equals 1000 Hz.
file:///H|/My%20Documents/Cellular/User%20Guides/Notebooks/D620%20ATG/glossary.htm (8 of 17)4/13/2007 4:36:53 PM