electromagnetism

1. Magnetism produced by an electric current, and electric current produced by a

changing magnetic field. 2. The branch of physics that deals with the interaction of electric and magnetic fields.

• 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)
• upstream
• UPS (Uninterruptible Power Supply)
• uptime
• URI (Uniform Resource Identifier)
• URL (Uniform Resource Locator)