Networks and the Internet

Unit II: Hardware and Software

Read the lesson on Networks and the Internet

In this chapter, you will discover how computers communicate with one another to share information and resources across homes, schools, businesses, and around the world. You will learn how networks and the Internet work, explore common networking technologies, and understand how data travels from one device to another. By the end of this chapter, you will have a solid foundation for understanding the connected world in which we live and work.

Goal: In this chapter, you will discover how computers communicate with one another to share information and resources across homes, schools, businesses, and around the world. You will learn how networks and the Internet work, explore common networking technologies, and understand how data travels from one device to another. By the end of this chapter, you will have a solid foundation for understanding the connected world in which we live and work.

Objectives:

• Explain the purpose of computer networks.
• Differentiate between LANs, WANs, and the Internet.
• Identify common networking devices, including routers, switches, and modems.
• Describe how data travels across the Internet using packets.
• Explain the purpose of IP addresses and domain names.
• Compare wired and wireless networking technologies.
• Describe cloud computing and online collaboration tools.
• Identify common Internet services, including the World Wide Web, email, streaming, and file sharing.
• Recognize common network security practices.
• Explain how emerging networking technologies continue to change the way people communicate and work.

Please study the material at each of the links below.

1. Self-Study Questions: What have you learned?
2. Discussion questions: What do you think?

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