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CHAPTER2
TECHNOLOGY
INFRASTRUCTURE:
THE INTERNET AND THE
WORLD WIDE WEB
LE AR N I NG OB JE CT IV ES
In this chapter, you will learn:
• About the origin, growth, and current structure of the Internet
• How packet-switched networks are combined to form the Internet
• How Internet, e-mail, and Web protocols work
• About Internet addressing and how Web domain names are constructed
• About the history and use of markup languages on the Web
• How HTML tags and links work
• About technologies people and businesses use to connect to the Internet
• About Internet2 and the Semantic Web
INTRODUCTION
Most people who use the Internet today still do so using a computer. However, a growing number of
Internet users use an Internet-capable mobile phone, a smartphone, or a tablet device to go online. In
developing countries, a mobile phone or smartphone is most likely to be a user’s primary means of
accessing the Internet.
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