Dell Inspiron 545 MT User Manual page 342

Dell inspiron 545 mt: user guide
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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.
DMA — direct memory access — A channel that allows certain types of data transfer
between RAM and a device to bypass the processor.
DisplayPort — An interface standard of the Video Electronics Standards Association
(VESA) used for digital displays.
DMTF — Distributed Management Task Force — A consortium of hardware and
software companies who develop management standards for distributed desktop,
network, enterprise, and Internet environments.
domain — A group of computers, programs, and devices on a network that are
administered as a unit with common rules and procedures for use by a specific group
of users. A user logs on to the domain to gain access to the resources.
DRAM — dynamic random-access memory — Memory that stores information in
integrated circuits containing capacitors.
driver — Software that allows the operating system to control a device such as a
printer. Many devices do not work properly if the correct driver is not installed in the
computer.
DSL — Digital Subscriber Line — A technology that provides a constant, high-speed
Internet connection through an analog telephone line.
dual-core — A technology in which two physical computational units exist inside a
single processor package, thereby increasing computing efficiency and multi-tasking
ability.
dual display mode — A display setting that allows you to use a second monitor as an
extension of your display. Also referred to as extended display mode.
DVD-R — DVD recordable — A recordable version of a DVD. Data can be recorded
only once onto a DVD-R. Once recorded, the data cannot be erased or written over.
DVD+RW — DVD rewritable — A rewritable version of a DVD. Data can be written
to a DVD+RW disc, and then erased and written over (rewritten). (DVD+RW
technology is different from DVD-RW technology.)
DVD+RW drive — 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
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