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KS3 & KS4 computing curriculum

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Computing
Year 9

Data representation: images and sound

6 lessons

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  • Data and information

Description

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.

This unit progresses pupils' understaning of binary representations and how binary digits are used to represent characters and numbers. In this unit, pupils will focus on digital media such as images and sound and discover the binary digits that lie beneath these types of media. Pupils will also experience practical projects where they use software to manipulate images and sound ready to tackle more complex projects later on.

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