Introduction to Computer Networking

Technology expert Todd McLeod gives a rundown of the various network protocols and their functions. Then he discusses the concept of IP addresses.

Learn about the concept of bandwidth, discover its relationship to your computer's Internet connection, and understand the usefulness of bandwidth speed tests.

Learn how modems are indispensable pieces of technology, and see how they pass digitized information up and down the connections we have to the Internet.

In this lesson, technology guru Todd McLeod discusses parallel and serial communication and shares how data is transmitted over a network connection.

In this lesson, technology expert Todd McLeod explains the difference between circuit switching and packet switching and how that change enabled the Internet.