matrix

See matrix switch and switch matrix.

• Universal Code (Unicode)
• Universal Coordinated Time (UTC)
• Universal International Freephone Number (UIFN)
• Universal Mobile Telecommunications System (UMTS)
• Universal Plug and Play (UPnP)
• universal serial bus (USB)
• universal service
• Universal Service Administrative Company (USAC)
• Universal Service Fund (USF)
• University Corporation for Advanced Internet Development (UCAID)
• UNIX
• Unlicensed Mobile Access (UMA)
• Unlicensed National Information Infrastructure (U-NII)
• unshielded twisted pair (UTP)
• unsolicited grant service (UGS)
• unspecified bit rate (UBR)
• unsponsored domain
• UN (United Nations)
• update
• update
• upgrade
• upgrade
• uplink
• upload
• UPnP (Universal Plug and Play)