Dell 690 Personal Computer User Manual


 
DVD+RW drive a drive that can read DVDs and most CD media and write to DVD+RW (rewritable DVDs) discs.
DVI digital video interface A standard for digital transmission between a computer and a digital video display.
E
ECC error checking and correction A type of memory that includes special circuitry for testing the accuracy of data as it passes in and out of memory.
ECP extended capabilities port A parallel connector design that provides improved bidirectional data transmission. Similar to EPP, ECP uses direct memory
access to transfer data and often improves performance.
EIDE enhanced integrated device electronics An improved version of the IDE interface for hard drives and CD drives.
EMI electromagnetic interference Electrical interference caused by electromagnetic radiation.
ENERGY STAR® Environmental Protection Agency requirements that decrease the overall consumption of electricity.
EPP enhanced parallel port A parallel connector design that provides bidirectional data transmission.
ESD electrostatic discharge A rapid discharge of static electricity. ESD can damage integrated circuits found in computer and communications equipment.
expansion card A circuit board that installs in an expansion slot on the system board in some computers, expanding the capabilities of the computer.
Examples include video, modem, and sound cards.
expansion slot A connector on the system board (in some computers) where you insert an expansion card, connecting it to the system bus.
ExpressCard A removable I/O card adhering to the PCMCIA standard. Modems and network adapters are common types of ExpressCards. ExpressCards
support both the PCI Express and USB 2.0 standard.
Express Service Code AnumericcodelocatedonastickeronyourDell™computer.UsetheExpressServiceCodewhencontactingDellforassistance.
Express Service Code service may not be available in some countries.
extended display mode A display setting that allows you to use a second monitor as an extension of your display. Also referred to as dual display mode.
extended PC Card A PC Card that extends beyond the edge of the PC Card slot when installed.
F
Fahrenheit Atemperaturemeasurementscalewhere32°isthefreezingpointand212°istheboilingpointofwater.
FBD fully-buffered DIMM A DIMM with DDR2 DRAM chips and an Advanced Memory Buffer (AMB) that speeds communication between the DDR2 SDRAM
chips and the system.
FCC Federal Communications Commission A U.S. agency responsible for enforcing communications-related regulations that state how much radiation
computers and other electronic equipment can emit.
floppy An electromagnetic form of storage media. Also known as a floppy diskette or a floppy disk.
floppy drive A disk drive that can read and write to floppy disks.
folder A term used to describe space on a disk or drive where files are organized and grouped. Files in a folder can be viewed and ordered in various ways,
such as alphabetically, by date, and by size.
format The process that prepares a drive or disk for file storage. When a drive or disk is formatted, the existing information on it is lost.
FSB front side bus The data path and physical interface between the processor and RAM.
FTP file transfer protocol A standard Internet protocol used to exchange files between computers connected to the Internet.
G
G gravity A measurement of weight and force.
GB gigabyte A measurement of data storage that equals 1024 MB (1,073,741,824 bytes). When used to refer to hard drive storage, the term is often
rounded to 1,000,000,000 bytes.
GHz gigahertz A measurement of frequency that equals one thousand million Hz, or one thousand MHz. The speeds for computer processors, buses, and
interfaces are often measured in GHz.
graphics mode A video mode that can be defined as x horizontal pixels by y vertical pixels by z colors. Graphics modes can display an unlimited variety of
shapes and fonts.
GUI graphical user interface Software that interacts with the user by means of menus, windows, and icons. Most programs that operate on the Windows
operating systems are GUIs.