WWW Components Review
Your PC and browser software to access the web.
ISP and POP
WAN's and LAN's
Switches and Routers
NAPS and Internet Backbone
Your PC and browser software to access the web.
Basic parts-Processor, storage, keyboard, mouse, RAM
Communication device:
Modem-Uses the phone line to comunicate with other computers
NIC-Uses CAT 5 cable to connect to a network
Web Browser-Software application on the PC that interprets HTML code sent from servers on the internet
Browsers are not all the same
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ISP and POP
ISP-Internet Service Provider
A company such as AOL, Qwest, Juno, etc. who offer connections to the internet
POP-Point of Presence
A critical part of an ISP--allows users (YOU) to interact with servers on the internet. The actual connection point to the ISP�s network.
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WAN's and LAN's
WAN-Wide Area Network--a linked system of computers that cover a large area (ex. Salem-Keizer School District)
LAN-Local Area Network--linked system of computers in a smaller area (ex. McKay High School)
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Switches and Routers (like a train station where many trains meet)
Routers-Traffic Cops of the internet
Establish pathways for data to travel from various points on the internet
Switches-Doorway controllers
Allows information packets (data) to enter the pathways established by the routers
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NAPS and Internet Backbone
Backbone of the internet-huge data lines owned by companies (Sprint, MCI, etc.). These massive cables can handle millions of data transmissions and are the main places that information travels on the WWW. Other smaller lines connect to these major lines
NAPS-Network Access Points--the places where smaller lined connect to the backbone. These points are a place of major congestion (traffic jams) on the WWW