| Abbreviation | Definition |
|---|---|
| MBC | Mono Black Control |
| MBE | Male Both Ends |
| MBL | MicroComputer-Based Laboratory |
| MBM | MotherBoard Monitor |
| MBP | MacBook Pro |
| Mbps | MegaBits Per Second |
| MBS | Microprocessor Based System |
| MC | Memory Card |
| MC | Multimedia Card |
| MCA | Micro-Channel Architecture |
| MCA | Micro-Computer Architecture |
| MCB | Miniature Circuit Breaker |
| MCBF | Mean Cycles Between Failures |
| MCC | Machine Control Computer |
| MCC | Master Command Center |
| MCC | Mobile Computer Core |
| MCCB | Molded Case Circuit Breaker |
| MCD | Multi-Channel Desktop |
| MCD | Music Compact Disc |
| MCDST | Microsoft Certified Desktop Support Technician |