Glossary 3
CRT
(Cathode-Ray Tube) The type of video display used in monitors for desktop
computers.
D
DC
(Direct Current) The type of current available in the rechargeable battery packs
used in portable computers. See also AC.
default
The factory setting your computer uses unless you instruct it otherwise. For
example, when powering up, the computer will boot from the default drive.
density
The capacity of information (bytes) that can be packed onto a storage device, such
as a floppy disk.
device driver
A software program that a computer must use to recognize and operate certain
hardware, such as a mouse or a video monitor.
disk drive
A device that stores data on a hard or floppy disk. A floppy disk drive requires a
floppy disk to be inserted; a hard disk drive has a permanently encased hard disk.
DOS
(Disk Operating System) See operating system.
DRAM
(Dynamic RAM) See RAM.
E
ECC
(Error Checking and Correction) A method of detecting and correcting errors.
EEPROM
(Electrically Erasable Programmable Read-Only Memory) A type of memory
device that stores password and configuration information.
EGA
(Enhanced Graphics Adapter) A type of video display system that provides
medium-resolution text and graphics on TTL monochrome, color, and enhanced
color monitors.
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Страница 24: ...1 8 System Overview 2 First open the right front door then open the left door see the following figure...
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Страница 133: ...A System Cabling Before You Begin Static Precautions RAID Configuration...
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Страница 157: ...Index 3 U Unpacking 2 3 V Video features 1 17 Video memory installing 4 11...
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