This lesson on “The purpose of the CPU” 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 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.

The purpose of the CPU

  • Digital resources purchased from Nichola Wilkin Ltd. are to be used in the original individual school which purchases the resources only.


    Resources may not be shared, distributed or displayed digitally for public view, uploaded to school or borough websites, distributed via email, submitted to file sharing sites or shared with another school or institution, even those within the same academy chain.


    For full terms and conditions visit

24 Crow Hill Lane, Great Cambourne, Cambridge, CB23 5AW, UK    
 +44 (0)1954 205263

  • Facebook
  • Twitter
  • LinkedIn
  • Instagram
  • Pinterest
  • YouTube

© 2012 – 2021 Nichola Wilkin Ltd. All Rights Reserved.