| Abbreviation | Definition |
|---|---|
| MCGA | Multi-Color Graphics Array |
| MCIP | Multi-Channel Interface Processor |
| MCL | MicroChip Link |
| MCM | Multi-Chip Module |
| MCM-PBGA | Multi-Chip Module Plastic Ball Grid Array |
| MCO | Microcontroller Clock Output |
| MCO | Motor Current Output |
| MCP | Media Communication Processor |
| MCS | Matched Component System |
| MCS | Modular Cable Splitter |
| MCSA | Motor Current Signature Analysis |
| MCSP | Model Controller Sense Pattern |
| MCU | Main Control Unit |
| MCU | Microcontroller unit |
| MD | Maintenance and Diagnostics |
| MD | Memory Defragmenter |
| MD | Memory Disk |
| MD | Multiple Device |
| MDA | Machine Data Acquisition |
| MDA | Mobile Digital Assistant |