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Reach Crest Learning

Year 9 · Your subject space

Computing

Explore digital tools, programming and safe technology use.

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How to learn in Year 9 Computing

Watch this short guide, then choose a lesson below.

Learn through explanations, worked examples and practice.

Your earlier submitted work and progress are retained in your learning history. These replacement lessons have their own progress.

Programming

  1. State what a function promises
  2. Separate the algorithm from its syntax
  3. Track a result across a collection
  4. Clean representation without changing meaning
  5. Test boundaries and failure paths

Algorithms

  1. Count work under stated assumptions
  2. Maintain a sorted part
  3. Keep what the task needs

Systems

  1. Instructions and data use memory
  2. A fixed number of bits has a limit
  3. Count pixels and bits per pixel
  4. Smaller representations have trade-offs
  5. A secure connection is not a truth certificate

Projects

  1. Choose a display that answers the question
  2. Test whether people can use the interface
  3. Judge the result against requirements

Check your learning

  1. Year 9 Computing — course check