| Abbreviation | Definition |
|---|---|
| DDS | Direct Digital Synthesizer |
| DDS | Discrete Dynamic System |
| DDSC | Dynamic Discrete Surround Circuit |
| DDT | Dynamic Debug for Trident |
| DE | Device Emulator |
| DE | Device- End |
| DE | Dull Emitter |
| DE-9 | 9-pin D-SUB (series D subminiature) connector |
| DEA | Dugour Electronics Almere |
| DEAA | DuPont Electronic Access Agreement |
| DEAC | Deacon Electronic Account Center |
| DEAF | Dublin Electronic Arts Festival |
| DEAF | Dutch Electronic Art Festival |
| DEAL | Defence Electronics Application Laboratory |
| DEC | Delaware Electric Cooperative |
| DECA | Digital Electronic Control Assembly |
| DECE | Diploma in Electronics Communication engineering |
| DECE | Diploma in Electronics & Communication engineering |
| DECM | Defensive Electronic Countermeasures |
| DECS | Defence Electronic Commercial Service |