| |   | | | U A–B–C–D–E–F–G–H–I–J–K–L–M–N–O–P–Q–R–S–T–U–V–W-X-Y–Z
Symbols–Numerals | Unit of Measure | A set value used to determine the size of an object. See centimeters, inches, millimeters, picas or pixels. | | USB | Acronym for Universal Serial Bus. Connection bus developed by Intel for easy connection of peripherals to a computer. A USB connection is a simple square plug, which can be plugged in even with the computer running. USB allows up to 127 items to be plugged into a single USB port via multi-device hubs. | | USB Port | Port on a computer for connecting USB devices such as scanners, CD-ROM drives, keyboards, etc. | | | | |
