Glossary ->U

UCT unconditional transition
UDP (User Datagram Protocol) The IP standard protocol that allows an application program on one machine to send a datagram to an application program on another machine. UDP uses the Internet IP to deliver datagrams.
UP unformatted page
UPS (Uninterruptible Power Supply) A battery, attached to a piece of hardware, for example a server, that provides backup power for conducting an orderly shutdown if the server's normal power supply fails.
UTP (Unshielded Twisted Pair) The standard cabling used for telephone lines. The standard IEEE 802.3, 10BaseT, defines use of Ethernet over UTP for rates up to l0Mbit/s. The general LAN medium of choice for the 1990s, UTP is marketed in brands such as AT&T's PDS (Systimax) and OSCA.

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	UCT unconditional transition UDP (User Datagram Protocol) The IP standard protocol that allows an application program on one machine to send a datagram to an application program on another machine. UDP uses the Internet IP to deliver datagrams. UP unformatted page UPS (Uninterruptible Power Supply) A battery, attached to a piece of hardware, for example a server, that provides backup power for conducting an orderly shutdown if the server's normal power supply fails. UTP (Unshielded Twisted Pair) The standard cabling used for telephone lines. The standard IEEE 802.3, 10BaseT, defines use of Ethernet over UTP for rates up to l0Mbit/s. The general LAN medium of choice for the 1990s, UTP is marketed in brands such as AT&T's PDS (Systimax) and OSCA.