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Data compression

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Why this, why now

In this unit pupils will be introduced to the concept of data compression and why it is needed. The will compare lossy and lossless compression methods and their typical uses. They will have the opportunity to compression methods such as run length encoding (RLE) and Huffman coding.

Prior knowledge requirements

  • Ardaydu waa inay yaqaanaan aasaaska maadada.
  • Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 15 / 16

Data compression

In this unit pupils will be introduced to the concept of data compression and why it is needed. The will compare lossy and lossless compression methods and their typical uses. They will have the opportunity to compression methods such as run length encoding (RLE) and Huffman coding.

8 lessons
  1. The need for compression
  2. Compression ratios
  3. Lossy and lossless compression
  4. Comparing compression algorithms
  5. Practical applications of compression
  6. Run length encoding
  7. Measurements of storage
  8. Huffman coding