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Data representation: images and sound

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Why this, why now

In this unit, pupils will focus on digital media such as images and sounds, and discover the binary digits that lie beneath these types of media. They will explore how images and sound can be manipulated and consider the link between quality of images and sound and the resulting file size.

Prior knowledge requirements

  • Ardaydu waa inay yaqaanaan aasaaska maadada.
  • Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 4 / 6

Data representation: images and sound

In this unit, pupils will focus on digital media such as images and sounds, and discover the binary digits that lie beneath these types of media. They will explore how images and sound can be manipulated and consider the link between quality of images and sound and the resulting file size.

6 lessons
  1. Manipulating digital images
  2. Representing sound with binary data
  3. File size of digital images
  4. File size and compression
  5. Representing images with binary data
  6. Editing sound