| Abbreviation | Definition |
|---|---|
| UBT | Unlimited Browsing Techniques |
| uC | microcontroller |
| UC | Ubiquitous Computing |
| UC | Ultra Compact |
| UC | Use Case |
| UC | User Context |
| UCB | Unit Control Block |
| UCC | Unreal Code Compiler |
| UCCT | Use Case Checking Tool |
| UCD | User-Centered Design |
| UCG | Universal Command Guide |
| UCGN | Universal Command Guide Newsletter |
| UCI | User- Computer Interface |
| UCL | Unifier Control Language |
| UCM | Universal Context Modelling |
| UCM | User Centered Methodology |
| UCR | Undercolor removal |
| UCS | Unicode Character Set |
| UCS | Unicode Coding Scheme |
| UCS | Universal Character Set |