| Abbreviation | Definition |
|---|---|
| TBV | Transaction-Based Verification |
| TBX | TermBase eXchange |
| TC | Table Caption |
| TC | Terminal Control |
| TC | Text Compression |
| TC | Transaction Computer |
| TC | Transaction Controller |
| TCA | Task Control Area |
| TCAD | Technology Computer Aided Design |
| TCAM | Telecommunications Access Method |
| T-CAT | Test coverage anaylsis tool |
| TCB | Task Control Block |
| TCD | Tray for Compact Disk storage |
| TCE | Technical Computing Environment |
| TCK | Technology Compatibility Kit |
| TCM | Thermal Conduction Module |
| TCM | Trellis Coded Modulation |
| TCMP | Technology Change Management Program |
| TCO | Third Cache-Off |
| TCO | Triple Capacity Option |