ELEVENTH EDITION
ELECTRONIC
COMMERCE
GARY P. SCHNEIDER
Technology Infrastructure: The
Internet and the World Wide
Web
Chapter 2
© Cengage Learning 2015
Learning Objectives
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
© Cengage Learning 2015 22
Learning Objectives (cont’d.)
• 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
© Cengage Learning 2015 33
Introduction
• A growing number of Internet users are using
smartphone or tablet
– Smartphones are typically only the access method in
developing countries
• History of Internet-capable mobile phones
– First introduced in late-1990s
• Slow, unreliable service, no keyboards
– 2001: Treo, Blackberry introduced
– 2009: All major phone manufacturers had products
– 2011-2013: Lower price phones targeted developing
markets
© Cengage Learning 2015 4
The Internet and the World Wide Web
• Computer network
– Technology allowing people to connect computers
• Internet (capital “I)
– Interconnected global computer networks
• internet (small “i”)
– Group of interconnected computer networks
• Basic technology structure
– Supports networks, the Internet, and e-commerce
© Cengage Learning 2015 55
评论0