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Computers:

Tools for an Information Age

Chapter 8

The Internet at Home and in the Workplace

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Objectives

Briefly describe the history of the Internet

Describe what is needed to get on theInternet

Describe generally what an Internetservice provider does

Describe the rudimentary functions of abrowser

Describe how to search the Internet

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Objectives

List and describe the non-Web services ofthe Internet

Describe the various types of e-commerce

Discuss e-commerce payments and taxes

Describe how advertising is done on the

InternetDescribe what an intranet is and how abusiness uses it

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Growth of Internet

Growth in host computers

72 million in 2000

162 million in 2002

Growth in users worldwide

567 million in 2002

780 million projected in 2003

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A Quick Timeline

ARPANET developed in 1969 Designed to connect computers at four

locations

Designed to be resistant to disruptionE-mail capability added in 1972

National Science Foundation connected its

large network, NSFnet to ARPANET in1986 Resulting network became known as the

Internet

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Key People

Tim Berners-Lee

Marc Andreessen

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Getting Started

The technology

The Internet service provider and thebrowser

Browser functions and features

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Searching the Internet

Search Engine lets a userspecify search terms

Search engine builds database ofsites that match those terms

Uses spider software to builddatabase

Metasearch searches searchengines and buildscomprehensive list

Internet directory database isdeveloped by humanresearchers rather than spider

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Non-Web Services of the Internet

Newsgroups

FTP

TelnetE-mail

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The World of E-Commerce

Electronic commerce - buying and sellingover the Internet

Three forms

Business-to-consumer (B2C)

Business-to-business (B2B)

Consumer-to-consumer (C2C)

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Payments and Taxes

E-commerce payments Some people are leery of submitting credit card

information online

Secure Sockets Layer (SSL) protocol provides asecure way to make online payments

E-commerce taxes Internet Tax Freedom Act provides tax relief on

Internet commerce

Commission studies the effects of taxation of Internetcommerce

Act set to expire in 2005

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Internet Portals

Your first stop on the Internet

Provide personalization to users

Site is customized based oninformation you provide

Encourages you to visit the siteoften

Provide referrals to otherbusinesses

Site contains links to affiliate

sitesIf you click on an affiliate site andmake a purchase, the portalreceives a percentage of the sale

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Internet Advertising

Many advertisements on Websites are banner ads Originally in the shape of a long

rectangle

Require the user to leave thecurrent site

Other ad types Pop-over ads open a new

window on top of your currentwindow

Pop-under ads open a newwindow underneath your currentwindow

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Intranets

A private Internet-like network

Internal to a certain company

Extranets allow selected customers and suppliers

to have access to a companys intranet

Easy to set up

Offer many potential uses

Can be linked to the Internet

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Setting up an Intranet

Easy to set up

Most organizations already have a local areanetwork

Hardware requirements

Software requirements

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Uses of Intranets

Users can

Retrieve information such as benefitsinformation and job openings

Submit vacation requests, applications foropen positions, etc.

Employers can post employee handbooks,

corporate policies, and other information ina central location

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Virtual Private Network

Technology that uses the Internet as achannel for private data communication

Uses tunneling technology

Offers many benefits over a privatenetwork Much cheaper than dedicated lines

Data is secure Turns remote network administration over to

ISP