E

E3              Electronic Entertainment Exposition.
EA		Extended Attribute.
EAM             Electric Accounting Machine.
EAR		External Access Register.
EARN		European Academic Research Network.
EAROM           Electrically Alterable Read-Only Memory. differs from other
                types of ROM in that a user can program it without special
                laboratory equipment and without removing it from the
                computer.
EARS		Electronic Access to Reference Services.
EATA		Enhanced AT Bus Attachment.
EBC		EISA Bus Controller.
EBCDIC          Extended Binary Coded Decimal Interchange Code. A character
                representation used in IBM mainframes.
EBI		Equivalent Background Input.
EBI		Extended Background Investigation.
EBNF            Extended Backus Naur Form. Used to define the syntax of
                languages.
EBT		Electronic Benefits Transfer.
EC		Electronic Commerce.
EC		Error Control.
ECAL		Enjoy Computing And Learn.
ECAT		Electronic Card Assembly and Test.
ECB		Electronic CodeBook.
ECB             Event Control Block.
ECC		Error Check Code.
ECC		Error Checking and Correction.
ECC		Error Correction Code.
ECD		Enhanced Color Display.
ECF             Enhanced Connectivity Facilities. The ECF constitute a set of
                related mainframe and micro software products designed
                primarily to provide a PC/MS DOS interface to IBM mainframe
                data when the PC is connected to IBM's TSO under MVS or when
                connected to VM/CMS.
ECHO		European Commission Host Organization.
ECL             Emitter Coupled Logic. The current in an ECL cell is always
                on and is switched back and forth between two output ports;
                hence, the circuit is also called a current switch.
ECM		Electronic Control Module.
ECMA            European Computer Manufacturers Association.
ECNE		Enterprise Certified NetWare Engineer.
ECP		Enhanced Capabilities Port.
ECTL		Electronic Communal Temporal Lobe.
ECU		EISA Configuration Utility.
ED		Erase Display.
EDA		Embedded Document Architecture.
EDC		Enhanced Data Correction.
EDC		Error Detection and Correction.
EDC             European Design Center.
EDDC		Extended Distance Data Cable.
EDGAR		Electronic Data Gathering, Analysis and Retrieval.
EDI             Electronic Data Interchange. These systems allow corporations
                and government agencies to exchange electronic documents and
                make financial transactions without the need for paper or
                human interactions.
EDI		Electronic Document Interchange.
EDIFACT		EDI For Administration Commerce and Transport.
EDLC		Ethernet Data Link Control.
EDLIN		EDitor LINe text.
EDO		Extended Data Out.
EDODRAM         Extended Data Out Dynamic Random Access Memory.
EDORAM          Extended Data Out Random Access Memory.
EDOS		Enhanced Disk Operating System for Windows.
EDOSRAM         Extended Data Out Static Random Access Memory.
EDOVRAM         Extended Data Out Video Random Access Memory.
EDP             Electronic Data Processing.
EDPM		Electronic Data Processing Machine.
EDPS            Electronic Data Processing System. 
EDRAM           Enhanced Dynamic Random Access Memory.
EDSAC           Electronic Delay Storage Automatic Calculator. An early
                stored-program computer and one of the first to use binary
                numbers; designed by Maurice Wilkes in 1949 at Cambridge
                University.
EDSI		Enhanced Small Device Interface.
EDU		EDUcation. Organization Domain name, used for Internet 
		addresses.
EDVAC           Electronic Discrete Variable Computer. An early
                stored-program computer built at the Moore School of the
                University of Pennsylvania (circa 1945) and designed in part
                by John von Neumann.
EEC		Extended Error Correction.
EEG		ElectroEncephaloGram.
EEL             Epsilon Extension Language.
EEMS            Enhanced Expanded Memory Specification. An extension of the
                EMS standard for expanding memory that allows the CPU to 
                execute programs directly out of the memory; adopted in 1987 
                by Lotus, Intel and Microsoft, hence also called LIM 4.0 EMS.
EEPROM		Electrically Erasable Programmable Read-Only Memory.
EER             Enhanced Entity-Relationship. The EER model includes all the 
                modeling concepts of the ER model. In addition, it includes 
                the concepts of subclass and superclass and the related
                concepts of specialization and generalization.
EES		Escrow Encryption Standard.
EFA		Extended File Attribute.
EFF		Electronic Frontier Foundation.
EFI		Electromechanical Frequency Interference.
EFI		Electronics For Imaging.
EFL		Emitter Follower Logic.
EFTS		Electronic Funds Transfer System.
EG              Envelope Generator. A module in an analog synthesizer that 
                creates a changing control voltage. This voltage determines
                the frequency, amplitude or timbre of each note played by the
                synthesizer.
EGA             Enhanced Graphics Adapter. IBM's second color video board for
                the IBM PC family, capable of a maximum resolution of 640x350
                pixels in 16 simultaneous colors of a total of 64 possible 
                colors.
EGP             Exterior Gateway Protocol. A protocol used in relation to 
                large internetworks that comprise multiple smaller 
                internetworks interconnected together. The interconnection 
                devices used are known as exterior gateways and the EGP is 
                the protocol they use to advertise the IP addresses of the 
                networks present in each of the smaller internetworks.
EHLLAPI		Emulator High Level Language Application Programming Interface.
EIA             Electronic Industries Association. It defines electronic
                standards in the U.S..
EIDE		Enhanced Integrated Drive Electronics.
EIM             End-of-Information Marker.
EIS		Executive Information System.
EISA            Enhanced Industry-Standard Architecture. A 32-bit superset of
                the IBM AT's expansion bus (which is now known as the ISA or
                Industry-Standard Architecture bus).
EL		ElectroLuminescent display.
EL		Erase Line.
ELF		Extremely Low Frequency.
ELI             Eurocell Library and Interface. ELI is intended to promote 
                the reuse of circuit designs among participating 
                semiconductor foundries to shorten the time to market for new 
                products and to improve their competitive performance.
ELM             ELectronic Mail.
ELS		Entry Level System.
EM		Electronic Mail.
EM		EMphasized.
EM		Expanded Memory.
EM3             Electrotechnical laboratory data driven Machine-3.
EMA		Electronic Mail Association.
EMA		Enterprise Management Architecture.
EMACS		Editing MACroS.
E-MAIL		Electronic MAIL system.
EMB		Extended Memory Block.
EMBARC		Electronic Mail Broadcast to A Roaming Computer.
EMC             ElectroMagnetic Compatibility.
EMC		E-Mail Connection.
EMC		Extended Math Coprocessor.
EMI		Electromagnetic Interference.
.EML		Electronic MaiL. File name extension.
EMM		Expanded Memory Manager.
EMM		Extended Memory Manager.
EMR		Electro-Magnetic Radiation.
EMR		Enhanced Metafile Record.
EMS		Electronic Mail System. 
EMS		Electronic Message Service.
EMS             Expanded Memory Specification. A specification for expanded
                memory introduced by Lotus, Intel and Microsoft (LIM); also
                called LIM 3.2 EMS. The EMS controller maps the addresses
                within a window (an unused block of memory addresses) into
                addresses in its own (EMS) address space. Using memory
                banking, the EMS card can map the same block of physical
                addresses into different blocks of EMS memory.
EMWAC           European Microsoft Windows NT Academic Consortium.
.ENC		ENCoded. File name extension.
ENDEC		ENcoder/DECoder.
ENDS		END Segment.
ENIAC           Electronic Numerical Integrator and Calculator. One of the
                first operational electronic digital computers; built in 1946
                by John Eckert and John Mauchy at the University of
                Pennsylvania.
ENQ		ENQuiry.
ENSS		Exterior Nodal Switching Subsystem.
EO              Elementary Operation.
EOA		End Of Address.
EOB		End Of Block.
EOC		End Of Conversion.
EOF             End Of File.
EOF             Enterprise Objects Framework.
EOI             End Of Interrupt. A particular command sent to the interrupt
                controller to indicate that the interrupt has been handled by
                software and that new interrupts of the same or lower priority
                may now be signaled by the interrupt controller.
EOI		End Or Identify.
EOJ		End Of Job.
EOL             End Of Line.
EOM             End Of Message.
EOM             Enterprise Objects Modeler.
EOR		Exclusive OR. Also XOR.
EOS		Earth Observing System.
EOS             End-Of-Sequence. Used on the 8291A. See also 8291A.
EOS		End Of String.
EOSDIS		Earth Observing System Data and Information System.
EOT		End Of Table.
EOT		End Of Tape marker.
EOT		End Of Text.
EOT             End Of Transmission.
EPA             Entry-Point Address. The address of the first instruction to
                be executed in a called procedure.
EPABX           Electronic Private Automated Branch eXchange. The modern
                EPABX is a digital device with extensive redundancy to ensure
                minimum downtime. It is fundamentally a switching device.
EPEX            Environment for Parallel EXecution.
EPL		Effective Privilege Level.
EPLD		Electrically Programmable Logic Device.
EPM		Enhanced editor for Presentation Manager.
EPM		Enterprise Process Management.
EPP		Enhanced Parallel Port.
EPROM           Erasable Programmable Read-Only Memory. a ROM that a
                technician can program using special laboratory equipment and
                later reprogram by first erasing its contents using strong
                ultraviolet light.
.EPS		Encapsulated PostScript. File name extension.
EPSF		Encapsulated PostScript Files.
ER              Entity-Relationship. The ER model is a popular high-level
                conceptual data model.
ERAS		Electronic Routing and Approval System.
ERCW PRAM       Exclusive Read Concurrent Write Parallel Random Access
                Machine.
EREW PRAM       Exclusive Read Exclusive Write Parallel Random Access Machine.
ERIC		Educational Resources Information Center.
ERLL		Enhanced Run Length Limited.
EROM		Erasable Read Only Memory.
EROS		Earth Resources Observation System.
ERR		ERRor.
ER/RC		Extended Result/Response Code.
ERRC            ERRor Character.
ERSO            Electronics Research & Service  Organization.
ES              End System.
ES              Extra Segment register. A register of the 8088 microprocessor
                that holds the base address of the extra segment.
ESA		Enterprise Systems Architecture.
ESA		European Space Agency.
ESC		ESCape character.
ESC		EISA System Component.
ESC		ESCape.
ESCM		Extended Services Communications Manager.
ESCON		Enterprise System CONnection architecture.
ESC/P		Epson Standard Code for Printers.
ESD             Electronic Software Distribution.
ESD		Electrostatic Discharge.
ESD             External Symbol Dictionary
ESDI            Enhanced Small Device Interface. A disk drive interface type
                which was briefly popular before IDE took over.  An ESDI
                drive can transfer data between the drive and controller at
                10, 15, or 20 megabits per second, which is faster than an
                MFM or RLL controller but slower than what is possible with
                an IDE or SCSI drive.  See also IDE.
ESI		Enhanced Serial Interface specification.
ESIOP           Environment-Specific Inter-ORB Protocols.
ESN		Electronic Security Number.
ESP		Emulation Sensing Processor.
ESP		Enhanced Serial Port.
ESP		Estimated Selling Price.
ESS		Electronic Switching System.
ESST            European Science, Society and Technology.
ESU		Electro-Static Unit.
ET              ElectroText.
ETA-10          A multiprocessor successor to the Cyber 205, was for a time
                the fastest computer on the 100 x 100 Linpack benchmark. Up
                to eight 205-like processors could share up to 8 GBytes of
                memory.
ETANN		Electrically Trainable Analog Neural Network chip.
ETB             End-of-Transmission Block.
ETC		Enhanced Throughput Cellular modem protocol.
ETL             ElectroTechnical Laboratory.
ETM             Event/Trigger Mechanism. An ETM was designed at the
                University of Karlsruhe (Dittrich 1986; Kotz 1988) to enforce
                complex consistency constraints in design databases.
ETPL		Endorsed Tempest Products List.
ETS		Econometric Time Series.
ETSI            European Telecommunications Standards Institute.
ETX             End of TeXt.
EU		Execution Unit.
EUC             Extended Unix Code.
EUNET           European Unix NETwork.
EVE             Engeneering Verification Engine. By mid-1986, eight 256-PE
                production versions of the YSE (called EVE) had been installed
                for use at various development sites within IBM.
EVE		Extensible VAX Editor.
EVGA		Extended Video Graphics Array.
EVGA		Extended Video Graphics Adapter.
EWAN		Emulator Without A good Name.
EWS		Employee Written Software.
EX              EXecute.
ExCA		EXchangeable Card Architecture.
.EXE		EXEcutable. File name extension.
EXE2BIN		Program used to convert an (.EXE) file to binary format (.COM) 
		file.
EXP		EXPonent.
EXT		EXTernal.
EXTRN		EXTernal RefereNce.
E-ZINE		Electronic MagaZINE.
