user
An individual who uses a computer. This includes expert programmers as well as novices. An end user is any individual who runs an application program.
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- usability
Usability is a Web site design phrase that describes how well visitors can use a Web site. Good usability requires that the site be easy to navigate, have a decent layout, be consistent across all pages, and also be informative and useful to the visitor.
- upward compatible
Refers to software that runs not only on the computer for which it was designed, but also on newer and more powerful models. For example, a program designed to run on an Intel 386 microprocessor, which also runs on a Pentium, is upward compatible. Upward compatibility is important because it means you can move to […]
- upstream
(adj.) A transmission from an end user to a server. An upstream transmission can be in the form of a signal being transmitted from a workstation to a server across a network, such as a LAN, or a signal being sent from a customer to a cable service provider. A transmission from a server to […]
- Uppercase
Uppercase characters are capital letters; lowercase characters are small letters. For example, box is in lowercase while BOX is in uppercase. The term is a vestige of the days when typesetters kept capital letters in a box above the lowercase letters. A program that distinguishes between uppercase and lowercase is said to be case sensitive.
- upload
To transmit data from a computer to a bulletin board service, mainframe, or network. For example, if you use a personal computer to log on to a network and you want to send files across the network, you must upload the files from your PC to the network.