| Abbreviation | Definition |
|---|---|
| MDAC | Multiplying Digital-to-Analog Converter |
| MDAP | Mobile Data Access Platform |
| MDAP | Multiprocessor Document Allocation Problem |
| MDC | MDT (Mini-Drift Tubes) Digitizing Card |
| MDC | Mobile Data Computer |
| MDC | Modem Daughter Card |
| MDD | Mirror Drive Door |
| MDD | Mirrored Disk Drive |
| MDD | Mirrored Drive Door |
| MDE | Major Design Element |
| MDF | Memory Device Failure |
| MDFR | Memory Device Failure Recovery |
| MDI | Medium Dependent Interface |
| MDLA | Morphological Dynamic Link Architecture |
| MDM | Modular Digital Multi-track |
| MDO | Multidisciplinary Design Optimization |
| MDP | Main Distribution Panel |
| MDQS | Multiple Device Queueing System |
| MDR | Memory Data Register |
| MDR | Memory Disk Register |