Teach teens computing: Computer networks

Sign-ups for this course on edX are closing on the 16 February 2026 and it will be removed from edX on 31 March 2026. A free, updated version of the course is available now on our new Training Hub. You can access the updated course there today . We hope to see you on the Training Hub soon. --- Explore the fundamentals of computer networking with this online course for teachers. You will improve your understanding of key concepts and gain the confidence to teach the subject in the classroom. On this course, you will learn to describe the different types of computer networks and understand how data can be transmitted securely. You will cover real world usage of networking technology to enhance your understanding. You will also become more familiar with how the internet works, including routing, DNS, and the World Wide Web.

• Discuss types of network, advantages and disadvantages and general architecture
• Describe transmission of data (ethernet, wifi) and network protocols (http, ftp, etc)
• Explore how data can be transmitted securely
• Apply knowledge of real world usage of the networking technology
• Describe the internet including routing, DNS and the “world wide web”
• Explain how data is encapsulated in an IP packet and a data frame for transmission