Communication is key, especially with computers. Individuals watch a video to learn about global communications systems, beginning with LAN. It also describes the Ethernet, MAC addresses, IP Addresses, packet switching, network switches, and TCP/IP.

Concepts

computers, computer science, the internet, communication technology, technology resources

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Instructional Ideas

• Have learners determine IP addresses for their home computers or school computers
  

Classroom Considerations

• References previous videos in the Crash Course Computer Science series
  
• Note that the video is the first of three episodes describing the global communications network
  

• This video is hosted on YouTube

Pros

• Great graphics and animations
  
• Thorough explanations and descriptions
  

Cons

• None