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Compression: Lossy & Lossless

OCR J2771.2gGCSELesson packSubscription
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  • 24 marks
  • about 20 minutes
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Question types: short answer, matching, true or false, multi-part.

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About this resource

Understand why data compression is needed, the difference between lossy and lossless compression, and when each type is appropriate.

11 slides.

Lesson outline

  1. Why Is Compression Needed?
  2. Lossy Compression
  3. Lossless Compression
  4. Lossy vs Lossless - Comparison
  5. Compression in Action
  6. Choosing the Right Compression
  7. True or False?
  8. Matching - File Formats
  9. Discussion - Streaming Trade-Offs
  10. Summary - Key Points
Unit bundle1.2 Memory and Storage
Part of: 1.2 Memory and Storage: the whole unitEvery resource in the unit in one zip.

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