Dell Latitude XFR D630 User Guide - Page 205
CD-RW/DVD drive, clock speed, Control Panel, controller, CRIMM, cursor, DDR SDRAM, device
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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 batterypowered 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. 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 striping - A technique for spreading data over multiple disk drives. Disk striping Glossary 205