| Abbreviation | Definition |
|---|---|
| TAU | Thermocouple Attachment Unit |
| TB | TeraByte |
| TB | Tool Box |
| TB2 | Thunderbolt 2 |
| TBGA | Tape Ball Grid Array |
| TBP | Texas Bipolar PROM (Programmable Read Only Memory) |
| TC | Temperature Controller |
| TCA | Telecommunications Computer Architecture |
| TCAM | Ternary Content Addressable Memory |
| TCM | Tandem Control Microprocessor |
| TCP | Tape Carrier Package |
| TCR | The Computer Room |
| TCS | Televic Conference System |
| TCTR | Too Complicated To Repair |
| TD | Tannoy Dimension speakers |
| TDD | Test Driven Design |
| TDMS | Terminal Data Management System |
| TDMT | Time Domain Moment Tensor |
| TDP | Thermal Design Power |
| TDR | Timeout Detection and Recovery |