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The Internet, the Web,

and ElectronicCommerce

Chapter 2

Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.2-1


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Competencies (1 of 2)

Discuss the origins of the Internet and the Web

Describe how to access the Web using providers

and browsers

Discuss Internet communications, including e-mail,instant messaging, social

networking, blogs,

microblogs, and wikis.

2-2 Copyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.


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Describe search tools, including search engines,metasearch engines, and specialized search

engines.

Evaluate the accuracy of information on the Web.

Discuss electronic commerce, including B2C, C2C,B2B, and security issues.

Describe Web utilities:

Web-based applications,

FTP, plug-ins, and filters,

Internet security, and file

transfer utilities.

Competencies(2 of 2)



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The Internet is often referred to as the Information

Superhighway because it connects millions of

people across the globe.

Unlike a typical highway, the Internet moves idea

and information.

The Web provides an easy-to-use, intuitive interface

to connect to the Internet and is used by millions of

people every day.

Competent end users need to be aware of the

resources available on the Internet and the Web.

Introduction



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Large network that connects smaller

networks globally

The Internet was Launched in 1969 National computer network

US funded project

called ARPANET

World Wide Web orWWW was intro-

duced in 1991 at

CERN

The Internet and the Web



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Common Internet Uses

Communicating

Exchange e-mail

Discussion Groups Online shopping Searching

Virtual Libraries

Entertainment Education ore-learning



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Access

Common way to access the Internet is through a

Commercial Internet Service Providers (ISP)

Regional Service Provider

Wireless service

providers



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Browsers

Programs that provide access to Webresources

Allow you to surfthe Internet

Three well-known browsers Mozilla Firefox

Apple Safari

Microsoft Internet Explorer

Google Chrome

Address orlocation of the resource must bespecified

URL



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URLs

Uniform Resource Locators

All URLs have at least two parts

Protocol

Domain name

Locates Web sites



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More on Browsers

Browsers interpret HTML commands Hypertext Markup Language

Contained in a document

Display document as a

Web page



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Most popular Internet activity

Types of communication

Electronic Mail (E-Mail)

Instant Messaging

Social Networking

Communication



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Spam

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Junk and/or unwanted Email

Computer viruses or destructive programs are oftenattached to unsolicited email

CAN-SPAM Act

Spam blockers incorporate a myriad of approachedto identify and control spam

Spam blockers are also referred to as:

Junk mail filters

Anti-spam programs

ReturnCopyright 2011 by The McGraw-Hill Companies, Inc. All rights reserved.


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Blogs, Microblogs, and Wikis

Web logs or blogs postings thatare timestamped and arranged with

the newest item first

Microblog publishes short

sentences Answer the question - What are

you doing?

Twitter is a microblog

Wiki a Web site speciallydesigned to allow visitors to fill in

missing information



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Search engines

Metasearch engines

Specialized search engines Content Evaluation

Search Tools



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Also known as e-commerce

Buying and selling of goods over the Internet

Business-to-consumer(B2C)

Consumer-to-consumer (C2C) Web auctions

Business-to-business (B2B)

Electronic Commerce



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Involves the sale of a product or service from one

business to another (B2B)

Primarily a manufacturer supplier relationship

Business to Business



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Business to Consumer

Fastest growing type of e-commerce

Three most widely used B2C applications:

Online banking

Financial trading

Shopping

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Consumer to ConsumerWeb Auctions

Consumer-to-consumer e-commerce (C2C)

Similar to traditional auctions

Types

Auction house sites

Person-to-person

auction sites



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Security

Payment methods must be fast, reliable, andsecure

Three basic options

Checks

Credit card

Digital cash



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Specialized utility programs that make usingthe internet & web safer and easier

Web-based applications

Plug-Ins Filters

FTP

Internet Security Suites

Web Utilities



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Filters

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Internet Security Suites

Collection of utility programs designed to maintain

your security and privacy while on the web

McAfee

Norton



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Careers In IT - Webmasters

Develop & maintain

websites

Back-up of the company

website, updatingresources, and

development of new

resources

Work with the marketing

department to increase the

site traffic flow



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Smart appliances in homes will have theirown Web page

Refrigerators know what food they contain

Appliance could send an e-mail to thegrocery store to restock

Downsides?

A Look to the FutureWeb-Accessible Refrigerators



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Discuss the uses of the Internet. Whichactivities have you participated in? Whichone do you think is the most popular?

Explain the differences between the threetypes of providers.

What are the basic elements of an e-mailmessage?

Open-Ended Questions (Page 1 of 2)



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What is social networking? Describe the

three types of social networking sites.

Describe the different types of searchengines. Give an example of the type of

search each engine is best for.

Open Ended Questions (Page 2 of 2)