| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| USMT | User State Migration Tool |
| UTM | Unified Threat Management |
| UTP | Unshielded Twisted Pair |
| UXGA | Ultra Extended Graphics Array |
| VA | Vertical Alignment |
| VDC | Volts DC |
| VDI | Virtual Desktop Infrastructure |
| VESA | Video Electronics Standards Association |
| VFAT | Virtual File Allocation Table |
| VGA | Video Graphics Array |
| VLAN | Virtual LAN |
| VM | Virtual Machine |
| VNC | Virtual Network Computer |
| VoIP | Voice over Internet Protocol |
| VPN | Virtual Private Network |
| VRAM | Video Random Access Memory |
| WAN | Wide Area Network |
| WAP | Wireless Access Protocol/Wireless Access Point |
| WEP | Wired Equivalent Privacy |
| WIFI | Wireless Fidelity |
| WINS | Windows Internet Name Service |
| WLAN | Wireless Local Area Network |
| WMN | Wireless Mesh Network |
| WPA | Wireless Protected Access |
| WPA2 | WiFi Protected Access 2 |
| WPS | WiFi Protected Setup |
| WUXGA | Wide Ultra Extended Graphics Array |
| WWAN | Wireless Wide Area Network |
| XGA | Extended Graphics Array |
| ZIF | Zero-Insertion-Force |
| ZIP | Zigzag Inline Package |
