Dell Latitude ATG D620 User Manual page 195

Glossary: Dell Latitude ATG D620 User's Guide
L1 cache — Primary cache stored inside the processor.
L2 cache — Secondary cache which can either be external to the processor or incorporated into the
processor architecture.
carnet — An international customs document that facilitates temporary imports into foreign countries.
Also known as a merchandise passport.
CD-R — CD recordable — A recordable version of a CD. Data can be recorded 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. Also referred to as the Product Key or
Product ID.
Control 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 processor and memory or between
the processor and devices.
CRIMM — 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.
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