Uniform Resource Locator (URL) A code developed to identify a resource on the Internet. Like an address, a URL contains strings of characters that determine which server to connect to and which resource on that server to find.
uninterruptible power supply (UPS) Provides power to a system for several hours if the power fails.
universal identifier number In the computer industry, a name for a Social Security number. Universal identifier numbers are used to cross-link databases.
universal product code (UPC) A label with a series of bars that can be either keyed in or read by a scanner to identify an item and determine its cost.
upload The transfer of a file from your computer to a remote computer.
Usenet A collection of more than 5,000 newsgroups.
user A person who uses a computer and its applications to perform tasks and produce results.
user friendly Easy to work with.
user-friendly program/system A program or computer system designed so that individuals who lack computer experience or training can use the system without becoming confused or frustrated.
user interface The part of the system software that communicates with the user.
user name The name identifying the person who originates or receives electronic mail.
utility program A program that assists in maintaining and improving the efficiency of a computer system.