1) internet theory
TRANSCRIPT
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What is the Internet?• A Network of Network is internet. Network
means Communication between two more computers using cables or other media devices like valves, satellite, other electronic devices. Around the world.
• The largest network of networks in the world.• Uses TCP/IP protocols and packet switching .• Runs on any communications substrate.
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Network
• Communication between the people or Nations or Institutions using any devices like Mobile, Radio, TV, Newspaper etc. is called network.
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• A network of networks, joining many government, university and private computers together and providing an infrastructure for the use of E-mail, bulletin boards, file archives, hypertext documents, databases and other computational resources
• The vast collection of computer networks which form & act as a single huge network for transport of data and messages across distances which can be anywhere from the same office to anywhere in the world.
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NetworkNetwork
Network: Communication between two or
more then two computers
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Types of NetworkTypes of Network
LAN – LOCAL AREA NETWORK MAN - METROPOLITAN AREA NETWORK WAN - WIDE AREA NETWORK
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LOCAL AREA NETWORK LOCAL AREA NETWORK (LAN):(LAN):
LAN
Server Workstation or Node or Client
Communication Between computers within limited distance.
Communication Media: Cable
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Metropolitan Area Network (MAN):
MAN
Communication Between computers within a city.
Communication Media: Telephone Lines or Radio waves
Jayanagar
Basavangudi Rajajinagar
M G Road
Yalahanka
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Wide Area Network (WAN) :
New York
Mumbai
Bangalore Landon
Australia
WAN
Communication Between computers across the world. Communication Media: Satellite
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Server
Client
Applications of NetworkApplications of Network
Printer Sharing
Files Sharing
Printer
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Satellite
INTERNETCommunication between millions of computers through out the world.
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INTERNETINTERNET
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Applications of internetApplications of internet News www.timesofindia.com Education www.bangaloreeducation.com eBanking www.icicibank.com eCommerce www.baazee.com eGovernment kar.nic.in Jobs timesjobs.com eMail eGreeting Chatting Gaming Online
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Terms to be Known:Terms to be Known:Surfing or BrowsingWebsite adderss or URL(Uniform Resource Locator)Browser
Internet Explorer or Netscape Navigator etc …Toolbar in browserSaving web page & picturesHyperlinkServerSearch engine
www.google.comwww.yahoo.comwww.askjeeves.comwww.altavista.com
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Browser
Hyperlink & HypertextHomepage
Website address or URL ToolbarSearch Engine
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This notes can be downloaded from Internet, website id is
www.maruthivishnuvardhan.blogspot.com