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IntroductionTo

The Internet

Mr. GarelSt. BACHS

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Overview of Slideshow

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History of the Internet

What the internet offers

Getting Connected

URL’s, Hyperlinks & Browsers

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History of the Internet

• Late 1960’s, US Defense Dept. begins theinternet as a military project.

• Government creates a network towithstand a nuclear attack across a largearea

• Network quickly grew to includeresearchers and scientists across thecountry and eventually the world

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Structure of the Internet

• Consists of thousands of connectednetworks around the world

• Connected to share information

• Common uses include:– Electronic Mail (e-mail) and discussion groups

– Online shopping

– Information, Education & Entertainment

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Connecting to the Internet

The most common methods of connecting tothe internet are:

1. Modem: Connecting through a phoneline. Usually at 56 kilo bytes per second(Kbps)

2. ISDN: Integrated service digital networkis like a digital phone line offered bytelephone companies.

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Connecting to the Internet Cont.

3. Cable Modem: Offered by cablecompanies, this method connects to theinternet using the same cable thatattaches to a television set. Speeds of upto 3000 kbps

4. DSL: Digital Subscriber Line is a serviceoffered by telephone companies atspeeds from 1,000 to 6,000 kbps.

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Connectingto the

Internet

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Introduction to the Web

• The world wide web, known as the web, ispart of the internet

• Each page on the internet has a uniqueaddress called a URL (Uniform ResourceLocator)

• Web page is a document on the web(could include text, images, sounds, video)

• A web site is a collection of web pages

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Surfing the Web

• Web pages contain Hyperlinks (links): Textor images that connect to other pages onthe web.

• Web browsers are software programs thatallow you to view and explore the web.Ex: Microsoft Internet Explorer, NetscapeNavigator and Mozilla.

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Inventing the Internet Age

• CBC Archives

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Applying our Knowledge!

• 1.9 Computer Networks & the internet

• 1.10 Effective search techniques; Booleansearches

• 1.11 Email tips and tricks

• 1.12 Criteria for evaluating websites

• 1.13 Selecting Internet Service ProvidersISP's and connecting to the Internet

• 1.14 Electronic Works Citation