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INTERNET &EMAILOne Day Workshop

By Ishan Gamage

August

27,2011

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INTRODUCTION TOCOMPUTER NETWORK

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What can a Network do For You ?

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computer network can be

two computers connected

also consist of,and is usually made for,

more than two computers

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the primary purpose of a

computer network is to share

resources

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Peer-to-peer networking

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Client/server networking

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WHAT ISTHE INTERNET ?

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Internet links are computernetworks all over the world

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So, users can share resources

and communicate with eachothers

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Request

Response

Database

ClientServer

The client/server model

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INTRODUCTION TO THEWORLD WIDE WEB

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fastest growing area of

the Internet

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hypertext is a way of linking

documents to each other

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Uniform Resource Locator -URL

http://www.yahoo.com/images/image1.htm

http : Protocol (Hyper Text Transfer Protocol)www : Service (World Wide Web)

yahoo.com : Domain name

yahoo : Server name

.com : TLD (Top level domain)

/images/ : folder structureimage1.htm : the web page (or resource file)

http://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htmhttp://www.yahoo.com/images/image1.htm

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WWW Clients, or"Broswers"

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The program use to

access the WWW isknown as a browser

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Chatting

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method forInternet conversation

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SOCIAL NETWORKING

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facilitate connectionsbetween people based onshared interests, values,

membership in particulargroups, etc

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Facebook

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LinkedIn

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Founded by Reid Hoffman, Allen Blue, Konstantin Guericke, Eric Ly,

Jean-Luc Vaillant

On May, 2003 @ Santa Monica Users 115.8 Million Employees 1000+

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Common Features ofSocial Networks

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ability to create a Profile page

way to find and link to friends or connections

privacy Controls

ability to send public and private messages

ability to share various digital objects and information

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MICROBLOGGINGweb service that allows the subscriber to broadcast

short messages to other subscribers of the service

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Founded by Jack Dorsey, Noah Glass, Evan Williams, Biz Stone

On July, 2006 @ San Francisco Users 200 Million Employees 600+

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e-BUSINESSrefers to the use of an electronic medium to carry

out commercial transactions

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e-commerce

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E-Mail

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most commonly used services on the Internet

allowing people to send messages to one or more recipients

invented by Ray Tomlinson in 1972

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Web Mail

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Personal

Information

manager

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