EARN
European Academic Research Network.

Echo (Local, Remote)
Local echo ON causes all transmitted data to be sent to the screen of the sending computer. Remote echo ON causes everything that the remote computer (the one you are communicating with) transmits to be duplicated on your computer's screen. See Duplex.

EBCDIC
Extended Binary-Coded Decimal Interchange Code. A standard character-to-number encoding used primarily by IBM computer systems. See ASCII.

E-mail
Electronic Mail. Private messages sent between users on different computers, either over a network or via a modem connection to an on-line service or BBS.

Encoding
File transfer formatting that enables encrypted, compressed or binary files to be transferred without corruption or loss of data.

Encryption
A way of coding information in a file or e-mail message so that if it is intercepted by a third party as it travels over a network it cannot be read.

EPS
Encapsulated PostScript. An EPS file usually has two parts: a PostScript (text) description that tells a PostScript printer how to output the resolution-independent image, and (optionally) a bit-mapped PICT image for on-screen previews. (EPS files without a PICT preview is usually displayed as a gray rectangle.) EPS files generally can't be edited, even by the program that created them (Illustrator files are exceptions).

EPS 5
Another term used for DCS.

ERIC
An index to educational journal articles and documents collected by national clearing houses for educational information. It provides summaries of the articles and documents, and contains citations back to 1966.

Ethernet
An IEEE 802.3 standard data link layer which can operate over several different media including fiber optic, coaxial cable and twisted-pair cable. This 10 million-bit-per-second networking scheme is widely used on campus because it can network a wide variety of computers; it is not proprietary; and components are widely available from many commercial sources.

Executable File
Refers to a file that is a program. Executables in DOS and Windows usually have an .exe or a .com extension. In UNIX and Macintosh environments, executable files can have any name.

External viewer
Program used for presenting graphics, audio and movies while browsing World Wide Web pages via a Web client program. Helper applications is another term for these external programs.