TPM — trusted platform module — A
travel module — A plastic device designed to fit inside the module bay of a portable computer to reduce the weight of the computer.
U
UAC — user account control— Microsoft Windows Vista® security feature that, when enabled, provides an added layer of security between user accounts and access to operating system settings.
UMA — unified memory allocation — System memory dynamically allocated to video.
UPS — uninterruptible power supply — A backup power source used when the electrical power fails or drops to an unacceptable voltage level. A UPS keeps a computer running for a limited amount of time when there is no electrical power. UPS systems typically provide surge suppression and may also provide voltage regulation. Small UPS systems provide battery power for a few minutes to enable you to shut down your computer.
USB — universal serial bus — A hardware interface for a
UTP — unshielded twisted pair — Describes a type of cable used in most telephone networks and some computer networks. Pairs of unshielded wires are twisted to protect against electromagnetic interference, rather than relying on a metal sheath around each pair of wires to protect against interference.
UXGA — ultra extended graphics array — A video standard for video cards and controllers that supports resolutions up to 1600 x 1200.
V
video controller — The circuitry on a video card or on the system board (in computers with an integrated video controller) that provides the video
Glossary
