Glossary
275
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.
CMOS
— A type of electronic circuit. Computers use a small amount of battery-
powered CMOS memory to hold date, time, and System Setup options.
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.
DDR2 SDRAM
— double-data-rate 2 SDRAM — A type of DDR SDRAM that uses a
4-bit prefetch and other architectural changes to boost memory speed to over
400 MHz.
device
— Hardware such as a disk drive, printer, or keyboard that is installed in or
connected to your computer.
device driver
— See
driver
.
DIMM
— dual in-line memory module — A circuit board with memory chips that
connects to a memory module on the system board.
Содержание Precision NT499
Страница 13: ...Contents 13 ...
Страница 14: ...14 Contents ...
Страница 38: ...38 About Your Computer ...
Страница 42: ...42 Advanced Features ...
Страница 70: ...70 Setting Up Your Computer ...
Страница 98: ...98 Clearing Passwords and CMOS Settings ...
Страница 112: ...112 Troubleshooting Tools ...
Страница 130: ...130 Troubleshooting ...
Страница 221: ...Adding and Replacing Parts 221 1 power cable 2 floppy drive cable 3 floppy drive connector FLOPPY 1 2 3 ...
Страница 270: ...270 Getting Help ...
Страница 290: ...290 Glossary ...