- Subnet
- Switch
- TCP
- TLS
- Type Casting
- UDP
- Unit Test
- URI
- URL
- User Account
- User Interface
- Variable
- Virtual Address
- Virtual Desktop
- Virtual Machine
- Virtual Memory
- Virtualization
- Volatile Memory
- VPN
- Web API
- Web Application
- Web Browser
- Web Framework
- Web Hosting
- Web Page
- Web Server
- Web Service
- Website
- WebSocket
- Wi-Fi
- Wide Area Network
- Workstation
- XML
- XSS
- Zip File
