The purpose of the CPU

This lesson on the purpose of the CPU” is suitable for GCSE Computer Science pupils. This lesson is suitable for teaching the new updated syllabus starting September 2020 including the OCR GCSE Computer Science (J277) and AQA GCSE Computer Science (8520).

It includes an attractive dyslexia friendly PowerPoint presentation that includes differentiated lesson objectives, a video and lots of individual and group 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 relationship between hardware and software
• The fetch - decode - execute cycle
• Address busses and data busses
• The purpose and main functions of the CPU

Duration: 1 lesson

Please note: This lesson does not teach pupils about the Von Neumann architecture as that is covered in a separate lesson.

Check out these other great resources by Nichola Wilkin (nwilkin):

Save for later
  • Preview.pdf
  • The-purpose-of-the-CPU.pptx
  • The-CPU.pdf
  • The-purpose-of-the-CPU-Lesson-Plan.pdf
  • Systems-Architecture.pdf
  • Terms-of-Use.pdf

About this resource


Created: Nov 17, 2018

Updated: Jun 5, 2020


pdf, 420 KB



pptx, 85 MB



pdf, 75 KB


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