U
- UAC
See User Account Control
- UltraDMA
An operating mode for IDE hard disks that conforms to the ATA-4 standard and higher, allowing high-speed data access (33MBps to 100MBps).
- Universal Serial Bus (USB)
A high-speed, hot-pluggable serial interface used for connecting external peripherals to a PC. USB is the fastest-growing interface type at this time. The flexibility of the device architecture provides manufacturers with a high-speed chainable port system that is easy to configure. USB devices can be chained with the use of hubs, allowing up to 32 devices to be connected to one port. The transfer rate is also very good, with a maximum throughput of 4Mbps.
- unshielded twisted pair (UTP)
A type of cable consisting of two or more pairs ...
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