GCSE – Lesson 15 – Lossy and lossless compression

Curriculum KS4 Unit Lesson

Learners will be introduced to the concept of data compression and learn about why it is needed, and that it comes in different forms. They will be introduced to the terms ‘lossy’ and ‘lossless’.

Learning objectives

  • Explain what data compression is
  • Explain why data may be compressed, and that there are different ways to compress data
  • Define ‘lossy compression’ and ‘lossless compression’

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GCSE revision

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