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Glossary
3-10
Appendix
3
Switching hub
A network connection box to which a number of computers can be connected. The
switching hub forwards a data packet from the network to the appropriate computer
according to the packet’s address. Conventional hubs simply send every packet to every
connected computer. Since a switching hub forwards packets only to their intended
recipients, it provides greater efficiency.
TCP/IP
Acronym for Transmission Control Protocol/Internet Protocol. The protocol used to
connect to the Internet and to wide-area networks.
URL
Uniform Resource Locator. A standard way of specifying the location of an object, usually
a web page, on the Internet. The URL for a web page would look something like this:
"http://www.w3.org/default.html". Here, “http:” indicates that a web page is being
accessed, “http://www.w3.org” is the address of the server containing the web page, and
“default.html” is the file name under which the web page is stored on the server.
Vector Graphics
(See definition for Raster.)
WAN
Wide Area Network.