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O Leary2010 Comp Ppt Ch02 Rev

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  • 1. The Internet, The Web, and Electronic Commerce Chapter 2

2. Competencies(1 of 2)

  • Discuss the origins of theInternetand theWeb
  • Describe how to access the Web using providers and browsers
  • Discuss Internet communications, including e-mail, instant messaging, and social networking

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 3.

  • Describe search tools, including search engines and metasearch engines
  • Discusselectronic commerce, including B2C, C2C, B2B, and security
  • DescribeWeb utilities: Web-based applications, FTP, plug-ins,andfilters

Competencies (2 of 2) Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 4.

  • 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.

Introduction Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 5.

  • Large network that connects smaller networks globally
  • The Internet was Launched in 1969
    • National computer network
    • US funded projectcalledARPANET
  • World Wide Web orWWWwas intro- duced in 1991 atCERN

The Internet and the Web Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 6. Common Internet Uses

  • Communicating
    • Exchangee-mail
    • Discussion Groups
  • Online shopping
  • Searching
    • Virtual Libraries
  • Entertainment
  • Education ore-learning

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 7. Internet Access Providers

  • Common way to access the Internet
  • CommercialInternet Service Providers (ISP)
    • National Service Providers
    • Regional Service Provider
    • Wireless service providers

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 8. Browsers

  • Programs that provide access to Web resources
  • Allow you tosurf the Internet
  • Three well-knownbrowsers
    • Mozilla Firefox
    • Netscape Communications
    • Microsoft Internet Explorer
  • Addressorlocationof the resource must be specified
    • URL

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 9. URLs

  • Uniform Resource Locators
    • All URLs have at least two parts
      • Protocol
      • Domain name
  • Locates Web sites

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 10. More on Browsers

  • Browsers interpret HTML commands
    • Hypertext Markup Language
    • Contained in a document
  • Display document as aWeb page

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 11.

  • Most popular Internet activity
  • Types of communication
    • Electronic Mail( E-Mail )
      • E-Mail Address
      • Spam
    • Instant Messaging
    • Social Networking

Communication Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 12. E-Mail

  • Transmission of electronic messages over the Internet
  • Basic parts
    • Header
      • Address
      • Subject
      • Attachment
    • Message
    • Signature Line

Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 13. E-Mail Address Example Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 14. Spam

  • Junk and/or unwanted Email
  • Computer virusesor destructive programs are often attached to unsolicited email
    • CAN-SPAM Act
  • Spam blockersincorporate a myriad of approached to identify and control spam
  • Spam blockers are also referred to as:
    • Junk mail filters
    • Anti-spam programs

Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 15. Instant Messaging

  • Is an extension of email that provides direct, live communication between two or more people
  • Instant messaging programs also include:
    • Video conferencing features
    • File sharing
    • Remote assistance
  • Most widely used instant messaging services:
    • AOLs Instant Messenger
    • Microsofts MSN Messenger
    • Yahoo Messenger

Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 16. Social Networking

  • One of the fastest growing uses of the Internet
  • Three basic categories:
    • Reunite
    • Friend of a friend
    • Common interest

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 17.

  • Search engines
  • Metasearchengines
  • Specialized search engines
  • Tips
    • Start with the right approach
    • Be as precise as possible
    • Use multiple words
    • Use Boolean operators
    • Check your spelling
    • Keep moving

Search Tools Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 18. Search Engines

  • Specialized programs to assist in locating information
  • Types of searches
    • Keyword search
    • Directory search

Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 19. Metasearch Engines Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 20. Specialized Search Engines 1- Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 21. Content Evaluation

  • Not all information on the web is accurate
  • Ways to evaluate accuracy of Web information include:
    • Authority
    • Accuracy
    • Objectivity
    • Currency

1- Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 22.

  • Also known ase-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 Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 23.

  • Involves the sale of a product or service from one business to another (B2B)
  • Primarily a manufacturer supplier relationship

Business to Business Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 24. Business to Consumer

  • Fastest growing type of e-commerce
  • Three most widely used B2C applications:
    • Online banking
    • Financial trading
    • Shopping

Return Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- 25. Consumer to Consumer Web Auctions

  • Consumer-to-consumer e-commerce (C2C)
  • Similar to traditional auctions
  • Types
    • Auction house sites
    • Person-to-personauction sites

Copyright 2010 by The McGraw-Hill Companies, Inc. All rights reserved. 2- Return 26. Security

  • Payment methods must be fast, reliable, and secure
  • Three basic options
    • Checks
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