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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.