E
 | EAIEnterprise Application Integration
A system architecture based on packaged software that automates data flows between bespoke and packaged applications from different vendors in near real time
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| EAP Extensible Authentication Protocol
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| EAROM Electronically Alterable Read Only Memory
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| EAS Emergency Alert System
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| EBCDIC Extended Binary Coded Decimal Interchange Code
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| EBI Electronic Business Intelligence
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| EBU Equivalent Billing Units
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| ECC Error-correcting Code A type of memory that includes special circuitry for testing the accuracy of data as it passes in and out of memory.
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| ECM Entitlement Control Message
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| ECP Enhanced Capability Port
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| ECSA Exchange Carrier Standards Association
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| EDFA Erbium Doped Fiber optic Amplifier
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| EDI Electronic Data Interchange Business to business interactions handled exclusively with electronic communication.
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| EDIFACT Electronic Data Interchange For Administration Commerce and Transport
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| EDORAM Extended Data Out Random Access Memory A faster form of DRAM
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| EDP Electronic Data Processing
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| EDP Engineered Data Products
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| EDRAM Enhanced Dynamic Random Access Memory A fast cached DRAM
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| EEPROM Electrical Erasable Programmable Read Only Memory A ROM chip that can be erased and written to electronically
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| EFCI Explicit Forward Congestion Indication
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| EFR Enhanced Full Rate
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| EFS Encrypting File System
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| EGA Enhanced Graphics Array
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| EGP Exterior Gateway Protocol
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| EHLLAPI Enhanced High Level Language Application Programming Interface
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| EIA Electronic Industries Association
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| EIDE Enhanced Integrated Device Electronics Enhanced IDE allowing greater addressing
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| EIGRP Enhanced Interior Gateway Routing Protocol
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| EIRP Effective Isotopic Radiated Power
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| EL ElectroLuminescence New generation display panel
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| EISA Extended Industry Standard Architecture A bus architecture designed for PCs using INTEL processors. EISA buses are 32bits wide and support multiprocessing. |
| ELAN |
Education LANguage
| ELAN |
Emulated Local Area Network
| EMAIL Electronic MAIL
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| EMI ElectroMagnetic Interference
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| EML Element Management Layer
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| EMM Entitlement Management Message
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| EOF End Of File
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| EOM End OF Message
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| EPD Early Packet Discard Term associated with ATM
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| EPG Electronic Program Guide
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| EPP Enhanced Parallel Port Specification that converts parallel port to an expansion bus
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| EPRCA Enhanced Proportional Rate Control Algorithm
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| EPROM Erasable Programmable Read Only Memory A ROM chip that can be erased and re programmed. Not in situ
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| ER Explicit Rate Associated with ATM
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| EROM Erasable Read Only Memory
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| ERP Enterprise Resource Planning A suite of programmes designed to interface all of a companies processes
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| ERPEffective Radiated Power
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| ESElementary Stream
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| ESAEmergency Stand Alone
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| ESBEnterprise Service Bus
A less complex approach to integration which employs XML based messages and web service protocols
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| ESCEngineering Service Circuit
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| ESDElectroStatic Discharge
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| ESDElectronic Software Distribution Method of distributing software packages electronically from a centralised location |
| ESDIEnhanced Small Device Interface
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| ESHElectronic Super Highway
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| ESMTP Extended Simple Mail Transfer Protocol
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| ESP Enhanced Service Provider An organisation that offers such features as call-forwarding, call-detailing and protocol conversion, in addition to basic phone service. |
| ESS |
Electronic Switching System
| ETDMA |
Enhanced Time Division Multiple Access
| ETSI European Telecommunications Standards Institute
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| ETU |
Elementary Time Unit
| EVM |
Error Vector Magnitude