| Abbreviation | Definition |
|---|---|
| Q | Transistor (circuit diagram designation) |
| QA | Quality Assurance |
| QAM | Quadrature Amplitude Modulation |
| QBD | Breakdown Charge |
| QBH | Quad Battery Holder |
| QBM | Quad Band Memory |
| QBS | Queue Beam Synchronized |
| QC | Quad City |
| QC | Quality Control |
| QC | Quick Connect |
| QCK | Quick Charger Kit |
| QCM | Quartz Crystal Microbalance |
| QCT | Quartz Crystal Technology |
| QDC | Quad Digital Channel |
| QDC | Quick Die Change |
| QDC | Quick Disconnect |
| QDR | Quick Dump Rinse |
| QED | Quality Electrical Distribution |
| QED | Quantum Electronics Division |
| QED | Quantum Electronics Divisionwelcome |