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Glossary
A
applications programs
Software designed to perform specific functions, like solving business or mathematical
problems.
AC Adapter
A device that connects an portable computer and an AC wall outlet to provide AC power for
running the system or recharging the battery.
AGP
Advanced Graphics Port is an interface specification designed for the throughput demands
of 3D graphics. AGP introduces a point-to-point channel allowing the graphics controller
direct access to main memory, increases bandwidth to 266-MBps, and supports throughputs
of 533-MBps and 1.07-GBps.
B
base RAM
Area of system memory between 0 and 640 kilobytes available to the user for operating
system and application programs.
BIOS
Basic Input Output System. A collection of primitive computer routines, usually burnt into
ROM, that controls the real-time clock, keyboard, disk drives, video display, and other
peripheral devices.
bit
Binary digit. The smallest unit of computer data.
bits per second
(bps) A unit of transmission. Also called baud rate.
board
Printed circuit board. Board onto which computer components are soldered and thin wires
are printed to connect the components.
boot
To start up a computer. See cold boot and warm boot.
bus
An electronic circuit within a computer used for transmitting data or electrical power from
one device to another.
byte
Group of eight contiguous bits.
Glossary 1
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