| Abbreviation | Definition |
|---|---|
| SVID | Sub-system Vendor IDentification |
| SVM | Secure Virtual Machine |
| SWDC | SEGA World Drivers Championship |
| TADRA | Teenage and Adult Drivers Responsibility Act |
| TC | Traffic Control |
| TCG | Trusted Computer Group |
| TCS | Trusted Configuration Space |
| TLC | Third-Level Cache |
| TMF | Trace Message Format |
| TMM | Transient Multimon Manager |
| TODA | Taxi Owners and Drivers Association |
| TODA | Tricycle Operators and Drivers Association |
| TVAF | TeleVision Anytime Forum |
| UAA | Universal Audio Architecture |
| UAGP | Universal Accelerated Graphics Port |
| UAP | User Account Protection |
| UDCR | Uni-Directional Cable Receiver |
| UDMA | Ultra-Direct Memory Access |
| UEFI | Unified Extended Firmware Interface |
| UFDA | USB (Universal Serial Bus) Flash Drive Alliance |