Glossary-16

Uniform Resource Locator (URL) – An Internet address that specifies the location of information. Also known as Universal Resource Locator.

Universal Resource Locator (URL) See Uniform Resource Locator

Universal Serial Bus (USB) – A Plug-and-Play interface that allows up to 127 devices to be connected sequentially into a single external USB port. See daisy chain, USB port.

upload – To send a copy of a file to a remote computer. Contrast download.

UPS See uninterruptible power supply.

URL See Uniform Resource Locator.

USB See Universal Serial Bus.

USB port – A device that transmits data at a rate of 12 Mbps through a USB cable. A variety of devices are supported, such as USB monitors, keyboards, and printers. See Universal Serial Bus.

utility – A program that assists with the operation of a computer, such as a power management program or anti-virus program.

V.90 Standard – A standard endorsed by the International Telecommunication Union that makes it possible for modems to communicate without regard to technological differences. The k56flex standard is incorporated into the V.90 standard, ensuring compatibility between V.90-enabled and K56flex-enabled modems.

Video CD See digital video disc.

videophone See Intel VideoPhone.

virtual memory See memory.

virus – A harmful computer program that may cause damage to data or programs. See anti-virus utility.

WAN See wide area network.

Web See World Wide Web.

Web browser – A program that makes it possible to access and view hypertext documents.