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BASICS TUTORIAL ON PCS AND USE OF THE INTERNET
GLOSSARY OF TERMS USED IN THE PC AND INTERNET WORLD
GLOSSARY (u-z)
UDP: See: User Datagram Protocol.
Upload:
Urban legend: A story, which may have started with a grain of truth, that has been embroidered and retold until it has passed into the realm of myth. It is an interesting phenonmenon that these stories get spread so far, so fast and so often. Urban legends never die, they just end up on the Internet! Some legends that periodically make their rounds include 'The Infamous Modem Tax', 'Craig Shergold/Brain Tumor/Get Well Cards' and 'The $250 Cookie Recipe'.
URL:
USB:
USB Hub:
Usenet: A collection of thousands of topically named newsgroups, the computers that run the protocols, and the people who read and submit news on it. Not all Internet hosts subscribe to Usenet and not all Usenet hosts are on the Internet. See also: Network News Transfer Protocol.
User Datagram Protocol (UDP): A connectionless Internet Standard transport layer protocol which adds a level of reliability and multiplexing to IP. See also: Connectionless, Transmission Control Protocol.
Virus: A malicious executable file which replicates itself on computer systems via imported media, e-mail and Internet downloads, with the sole purpose of causing disruption of varying severity. See also: Trojan horse, Worm.
Visitors:
WAN: See: Wide Area Network.
Webcam:
Web Host/Web Server:
Website/Site:
Webspace:
WG: Working Group.
White pages: The Internet supports several databases that contain basic information about users, such as email addresses, telephone numbers, and postal addresses. These databases can be searched to get information about particular individuals. Because they serve a function akin to the telephone book, these databases are often referred to as 'White pages'. See also: Knowbot, WHOIS.
WHOIS: An Internet website facility that allows users to query a database of people and other Internet entities, such as domains, networks, and hosts. The information for people shows a person's company name, address, phone number and email address. See also: White pages, Knowbot.
Wide Area Network (WAN): A network, usually constructed with serial lines, which covers a large geographic area. See also: Local Area Network, Metropolitan Area Network.
Window::
Windows::
Winzip/Winrar:
World Wide Web (WWW or W3): A hypertext-based, distributed information system created by researchers at CERN in Switzerland. Users may create, edit or browse hypertext documents. The clients and servers are freely available.
Word Processor: The computer program equivalent of a typewriter.
Worm: A computer program which replicates itself and is self- propagating. Worms, as opposed to viruss, are meant to spawn in network environments. See also: Trojan horse, Virus.
WWW: See: World Wide Web.
WYSIWYG: What You See is What You Get.
XML:
Zip Drive:
Details updated: June 15 2010
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