Template:Glossary:U

• UART : Universal asynchronous receiver/transmitter
• UFS : (Universal Flash Storage) - intended successor to eMMC storage, see Samsung anouncement / Toshiba anouncement
• UHD : Ultra high definition television, videoformats 4K UHD (2160p) and 8K UHD (4320p) - Youtube and Vimeo support streaming 4K (4096 × 3072)
• URB : (USB request block) - an URB is used to send or receive data to or from a specific USB endpoint on a specific USB device in an asynchronous manner.
• USB : (Universal Serial Bus) - a specification to establish communication between devices and a host controller (usually a personal computers). USB is intended to replace many varieties of serial and parallel ports.
• USB flash drive : a flash memory data storage device integrated with a USB (Universal Serial Bus) 1.1, 2.0, or 3.0 interface. USB flash drives are typically removable and rewritable, and much smaller in physical size than a floppy disc
• UUID : A universally unique identifier is an identifier standard used in software construction.