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Glossary – Dell Latitude D430 (Mid 2007) User Manual

Page 139

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Glossary

139

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.
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.
BIOS — basic input/output system — A program (or

utility) that serves as an interface between the computer

hardware and the operating system. Unless you

understand what effect these settings have on the

computer, do not change them. Also referred to as system

setup.
bit — The smallest unit of data interpreted by your

computer.
Blu-ray Disc (BD)— An optical storage technology

offering storage capacity of up to 50 GB, full 1080p video

resolution (HDTV required), and as many as 7.1 channels

of native, uncompressed surround sound. BD-R is a

recordable Blu-ray Disc that can be written to once. BD-

RE is a Blu-ray Disc that can be erased and re-recorded

multiple times.
Bluetooth

®

wireless technology — A wireless technology

standard for short-range (9 m [29 feet]) networking

devices that allows for enabled devices to automatically

recognize each other.
boot sequence — Specifies the order of the devices from

which the computer attempts to boot.
bootable media — A CD, DVD, or floppy disk that you

can use to start your computer. In case your hard drive is

damaged or your computer has a virus, ensure that you

always have a bootable CD, DVD, or floppy disk available.

Your Drivers and Utilities media is an example of bootable

media.
bps — bits per second — The standard unit for measuring

data transmission speed.
BTU — British thermal unit — A measurement of heat

output.
bus — A communication pathway between the