| Abbreviation | Definition |
|---|---|
| ECR | Event Counter Reset |
| ECS | Educational Computer Strategist |
| ECTUA | European Council for Telecommunications Users Association |
| ED | Edlens |
| ED | Embedded Dictionary |
| ED | Extra-low Dispersion |
| EDA | Extended Dataflow Architecture |
| EDAS | Ethernet Data Acquisition System |
| EDC | Electronic Data Capture |
| EDC | Enterprise Database Connectivity |
| EDC | Error Detection Circuit |
| EDDMS | Electronic Document Database and Management System |
| EDDS | Electronic Data Delivery System |
| EDF | Eprom Data File |
| EDF | Execution Diagnostic Facility |
| EDG | Electronic Dot Generation |
| EDGAR | Electronic Data Gathering Analysis And Retrieval |
| EDGM | Executive Diploma in General Management |
| EDH | Error Detection And Handling |
| EDI | Electronic Document Interchange |