User's Manual

238 Glossary
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FILE LOCATI ON: S:\SYSTEMS\Pebble\UG\A00\English\glossary.fm
DELL CONFI DENTI AL – PRELI MI NARY 1/29/03 – FOR PROOF ONLY
only once onto a CD-R. Once recorded, the data cannot be erased or written over.
CD-RW — CD rewritable — A rewritable version of a CD. Data can be written to
a CD-RW disc, and then erased and written over (rewritten).
CD-RW DRIVE — A drive that can read CDs and write to CD-RW (rewritable
CDs) and CD-R (recordable CDs) discs. You can write to CD-RW discs multiple
times, but you can write to CD-R discs only once.
CD-RW/DVD DRIVE — A drive, sometimes referred to as a combo drive, that
can read CDs and DVDs and write to CD-RW (rewritable CDs) and CD-R
(recordable CDs) discs. You can write to CD-RW discs multiple times, but you can
write to CD-R discs only once.
CLOCK SPEED — The speed, given in MHz, that indicates how fast computer
components that are connected to the system bus operate.
COA — Certificate of Authenticity — The Windows alpha-numeric code located
on a sticker on your computer. You may need the COA to complete the operating
system setup or reinstallation. Also referred to as the Product Key or Product ID.
C
ONTROL PANEL — A Windows utility that allows you to modify operating
system and hardware settings, such as display settings.
CONTROLLER — A chip that controls the transfer of data between the
microprocessor and memory or between the microprocessor and devices.
CRI M M — continuity rambus in-line memory module — A special module that
has no memory chips and is used to fill unused RIMM slots.
CURSOR — The marker on a display or screen that shows where the next keyboard,
touch pad, or mouse action will occur. It often is a blinking solid line, an underline
character, or a small arrow.
D
DDR SDRAM — double-data-rate SDRAM — A type of SDRAM that doubles
the data burst cycle, improving system performance.
DEVI CE — Hardware such as a disk drive, printer, or keyboard that is installed in or
connected to your computer.
DEVI CE DRI VER — See driver.
DIN CONNECTOR — A round, six-pin connector that conforms to DIN
(Deutsche Industrie-Norm) standards; it is typically used to connect PS/2 keyboard
or mouse cable connectors.
DISK STRIPI NG — A technique for spreading data over multiple disk drives. Disk
striping can speed up operations that retrieve data from disk storage. Computers
that use disk striping generally allow the user to select the data unit size or stripe
width.