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Glossary
Users Guide 19
T
taskbar
See Windows taskbar.
1394 port
A type of connector
for plugging in peripherals, such
as digital camcorders, with
extremely fast data-transfer
rates. The 1394 standard
synchronizes audio and video
files by delivering data at a
guaranteed rate—in real time.
See also peripheral
U
upload
To send information to
another computer on the
Internet.
UPS
Uninterruptible Power
Supply. A device that provides a
short-term backup power supply,
as well as surge protection.
URL
Uniform Resource
Locator. The address of a Web
site, such as:
http://www.compaq.com
USB port
Universal Serial Bus
port. A connector for plugging
in multiple, ultra-high-speed
peripherals. USB ports are
gradually replacing serial ports
and parallel ports and
eliminating the need for so many
connectors and cables. (Multiple
USB peripherals can be linked
together in a chain to share the
same port.) Windows
Millennium and Windows XP
support a new USB standard that
is 40 times faster than the
previous standard.
See also serial port, parallel
port, and peripheral.
Usenet
Users’ Network.
A worldwide network of
computers set up to transmit
messages to newsgroups.
See also newsgroup.
V
V.90 standard
A standard
adopted in 1998 to resolve two
competing technologies for
56Kbps modems. (If your
modem does not conform to the
V.90 standard, you can visit the
manufacturer’s Web site and
download a software upgrade.)