Dell OptiPlex GX240 User Manual
Page 280
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DVD
Digital versatile disc. An optical form of storage media, typically used for
movies. DVD has improved capacity and bandwidth compared with the
CD
.
Most DVD drives support CD media as well.
ECC
Error checking and correction. A type of
RAM
that checks data that is being
read or transmitted for errors and, when necessary, corrects the errors. See
also
EDO
.
ECP
Extended Capabilities Port. A
parallel port
design that provides improved
bidirectional data transmission. Like
EPP
, it uses
DMA
to transfer data and
often improves performance.
Devices
such as printers that connect to the
computer’s parallel port are designed to take advantage of the ECP standard.
EDO
Extended-data out. A type of
RAM
that improves the time to read from
memory on faster
microprocessors
such as the Intel Pentium. For faster
computers, different types of
DRAM
are considered. See also
ECC
.
EIDE
Enhanced integrated device electronics. An improved version of the
IDE
interface for hard drives and
CD
drives. EIDE uses Logical Block Addressing,
which allows for hard-drive storage capacities greater than 528
MB
. It makes
use of
DMA
channels and can address up to four drives. Also called fast
ATA
.
EMI
Electromagnetic interference. Electrical interference caused by
electromagnetic radiation.
Energy Star
A series of
EPA
requirements to decrease the overall consumption of
electricity.
EPA
Environmental Protection Agency.
EPP
Enhanced Parallel Port. A
parallel port
design that provides improved
bidirectional data transmission. Like
ECP
, it uses
DMA
to transfer data and
often improves performance. Many
devices
that connect to the computer’s
parallel port are designed to take advantage of the EPP standard.