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Course Content
1. Presenting choices: Combining constructs
Presenting choices: Combining constructs
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2. Design your own network: Shape and size
Design your own network: Shape and size
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3. Coding and testing: Game development for the micro:bit
Coding and testing: Game development for the micro:bit
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4. Drilling down: How the processor handles instructions
Drilling down: How the processor handles instructions
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5. Big Data modelling and analysis: Databases and spreadsheets
Big Data modelling and analysis: Databases and spreadsheets
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Computing Grade 9 (Cambrigde)

⚙️ Unit 9.4 – Drilling Down: How the Processor Handles Instructions

  • Discover how a computer’s CPU works through the fetch–decode–execute cycle.

  • Understand machine code and how binary instructions are processed.

  • Explore how hardware and software interact to perform tasks.