UDP - (User Datagram Protocol) - The User Datagram Protocol provides connectionless data transfer without error detection and correction.
uninterruptible power supply - Batteries that provide temporary, immediate power during times when utility service is interrupted.
UPS - (Uninterruptible Power Supply) - Batteries that provide temporary, immediate power during times when utility service is interrupted.
use case - Abstract episodes of interaction between a system and its environment.
user - A person or process that is accessing a computer system.
user datagram protocol - The User Datagram Protocol provides connectionless data transfer without error detection and correction.
user ID - A unique set of characters or code that is used to identify a specific user to a system.