User Datagram Protocol; is a communication protocol used for data transmission between network devices.UDP does not provide mechanisms for error detection and error correction between the source and the destination.

Universal Plug and Play; is a set of computer network protocols. It allows devices to be attached or removed from the system, even with the power on.

Uniform Resource Locator, is used to specify addresses on the World Wide Web. The first part of the address is protocol and the second part specifies the IP address or the domain name where the resource is located.

Universal Serial Bus; is a plug-and-play interface between a computer and peripheral devices. It supports 12 megabits per second for data transmission.