Dell Latitude D630 - Manual (Page 209)

Glossary 209
Hz — hertz — A unit of frequency measurement that equals 1 cycle per second.
Computers and electronic devices are often measured in kilohertz (kHz), megahertz
(MHz), gigahertz (GHz), or terahertz (THz).
I
iAMT — Intel ® Active Management Technology — Delivers more secure systems
management capabilities, regardless of whether the computer is turned on or off, or
the operating system is not responding.
IC — integrated circuit — A semiconductor wafer, or chip, on which thousands or
millions of tiny electronic components are fabricated for use in computer, audio, and
video equipment.
IDE — integrated device electronics — An interface for mass storage devices in which
the controller is 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.
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.
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