This intro to computer networks lesson explains what a network is, classifications of networks, and the computer
hardware you need to get connected.

Learn how the internet works in this intro to networks lesson. Scott goes over protocols, what they do, and the options you have for sharing data online.

The internet and World Wide Web are not the same thing; in this lesson, learn how they differ, about protocols for the World Wide Web, and a brief history.

Take a guided tour of the internet, including how Sputnik led to ARPANET and the World Wide Web. Then enjoy tips on how to get online and choose the best ISP.

Continue learning about the World Wide Web with this lesson! Learn what URL means, about top level domains, and how domain names are converted to IP addresses.

In this intro to networks lesson, learn what cloud computing is, how it has changed the digital landscape, and the interactive services it can provide.

Telecommunication includes the transmission of electrical signals over some distance, and this lesson explains the basics—including how electricity works.

In this lesson, you’ll learn all about network cables, including which cables carry electrical pulses, what materials they’re made of, and how they work.

In this intro to networks lesson, Scott explains everything you need to know about wi-fi and explores wireless technologies, like Bluetooth-enabled devices.

Take a guided tour through computer network topologies, including physical and logical layout. Find out how most businesses set up their computer networks.