This lesson on “How common characteristics of CPUs affect their performance” is suitable for GCSE Computer Science pupils. It includes an attractive dyslexia friendly PowerPoint presentation that includes differentiated lesson objectives, a video and lots of tasks and questions. It also includes 3 differentiated exam style questions along with a comprehensive 2-page teacher’s lesson plan including all the answers.


This lesson teaches pupils about:

  • The clock-speed of the CPU
  • How cache is used by the CPU and increasing the cache size can affect the performance
  • How the number of cores can increase the processing power but does not always mean a dual-core processor can complete twice as many fetch-decode-execute cycles in the same time


Duration: 1 lesson

CPU Performance

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