Owner's Manual

Glossary 149
Glossary
Terms in this Glossary are provided for informational purposes only and may
or may not describe features included with your particular computer.
A
AC — alternating current — The form of electricity that powers your computer when
you plug the AC adapter power cable in to an electrical outlet.
ACPI — advanced configuration and power interface — A power management
specification that enables Microsoft
®
Windows
®
operating systems to put a computer
in standby or hibernate mode to conserve the amount of electrical power allocated to
each device attached to the computer.
AGP — accelerated graphics port — A dedicated graphics port that allows system memory
to be used for video-related tasks. AGP delivers a smooth, true-color video image because
of the faster interface between the video circuitry and the computer memory.
AHCI — Advanced Host Controller Interface — An interface for a SATA hard drive
Host Controller which allows the storage driver to enable technologies such as Native
Command Queuing (NCQ) and hot plug.
ALS — ambient light sensor — A feature that helps to control display brightness.
AMT — Intel
®
Active Management Technology— Delivers more secure systems
management capabilities whether or not the computer is powered up or turned off, or
the operating system is not responding.
antivirus software — A program designed to identify, quarantine, and/or delete viruses
from your computer.
ASF — alert standards format — A standard to define a mechanism for reporting
hardware and software alerts to a management console. ASF is designed to be
platform- and operating system-independent.
B
battery life span — The length of time (years) during which a portable computer
battery is able to be depleted and recharged.
battery operating time — The length of time (minutes or hours) that a portable
computer battery powers the computer.
book.book Page 149 Thursday, August 7, 2008 5:00 PM