【U】（全25件）
- Upgrade
- Up-scan converter
- Update
- Upload
- Undo
- Unformatted Capacity
- Unmanaged Code
- USB
- User Acceptance Test
- User Interface
- User Support
- Usability
- User Registration
- UTF-8
- UTM
- Utility Software
- UPS(Uninterruptible Power Supply)
- Unicast
- Unicode
- UNIX
- Unit Test
- Universal Plug And Play
- Unified Messaging
- Ubiquitous
- Ubiquitous ID Center
