If you've always wondered what JPEG means, now's your chance to figure it out. Scholars learn about file compression techniques, including the difference between lossless and lossy compression. The video explains run-length encoding and dictionary codes, as well as how a JPEG compresses images.

Concepts

computer science, computers, compression, technology resources

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Instructional Ideas

• Have learners create a graphic organizer comparing lossless and lossy compression
  

Classroom Considerations

• References previous video in the playlist (this is the 21st installment of the Crash Course Computer Science series)
• Pupils need to have experience with bits and bytes
  

• This video is hosted on YouTube

Pros

• Interesting graphics hold viewers' attention
• Excellent explanations
  

Cons

• None