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Chapter 02: The Internet, the Web, and Electronic Commerce

Chapter 02: The Internet, the Web, and Electronic Commerce. The Internet and the Web. The Internet is the largest global network, connecting smaller networks worldwide The Internet was launched in 1969 National computer network US funded project called ARPANET

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Chapter 02: The Internet, the Web, and Electronic Commerce

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  1. Chapter 02: The Internet, the Web, and Electronic Commerce

  2. The Internet and the Web • The Internet is the largest global network, connecting smaller networks worldwide • The Internet was launched in 1969 • National computer network • US funded project called ARPANET • The World Wide Web or WWW was introduced in 1991 at USA • Father of WWW-Tim Burners Lee

  3. Model of Internet

  4. Working of Internet Router A Router B ISP fiber optic lines www.google.com ISP: Internet ServiceProvider DNS: Domain Name Server DNS

  5. The Internet and How We Connect to It Using an ISP • Explain what the Internet is

  6. The Internet and How We Connect to It Using an ISP • Define an Internet Service Provider and its purpose

  7. The Internet and How We Connect to It Using an ISP • Identify and describe the levels of service offered by an ISP

  8. How Information is Sent When Using an ISP • Define and explain that the most important protocol of the Internet is the Internet Protocol (IP).

  9. Common Internet Uses • Communication Exchange e-mail Discussion groups • Online Shopping • Searching Virtual libraries • Entertainment • Education or e-learning

  10. Access- ISP • Common way to access the Internet is through a Commercial Internet Service Providers (ISP) • National Service Providers • Wireless service providers

  11. Browsers • Programs that provide access to Web resources • Allow you to surfthe Internet • Popular Web browsers include: • Mozilla Firefox • Apple Safari • Microsoft Internet Explorer • Google Chrome • Opera • Address or locationof theresource must be specified • URL

  12. URLs • Uniform Resource Locators • All URLs have at least two parts • Protocol • Domain name • Top-level domains (TLDs) provide further information about the website

  13. This address is for an Internet server that uses The hypertext transfer protocol. This site belongs to a company named Glencoe. This site is on the part of the Internet known as the World Wide Web. To find the specific Web pages that accompany this book, your browser follows the URL’s path to a folder named “norton,” then to a subfolder named “online.”

  14. More on Browsers • Browsers interpret HTML commands • Hypertext Markup Language • Contained in a document • Display documentas a Web page

  15. Communication • Most popular Internet activity • Types of communication • Electronic Mail (E-Mail) • Instant Messaging • Social Networking

  16. E-Mail • Transmission of electronic messages over the Internet • Basic parts • Header • Address • Subject • Attachment • Message • Signature Line Return

  17. E-Mail Address Example Return

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