This systems architecture workbook is perfect for students studying for the OCR GCSE (9-1) in Computer Science and has been updated to completely cover the new specification J277.


It can be used in the classroom as a teaching aid, for self-study or as a revision tool. In this resource you will receive an interactive PDF workbook so your students can either print it out and complete the activities by hand or fill it in electronically making this an idea workbook for use in school or for students studying at home.


The answer booklet is provided as a separate PDF file so you can assign your students the workbook without including the answers.


This 24 page workbook completely covers the new specification J277 1.1 systems architecture theory.


Table of Contents:

  • Systems Architecture
  • Hardware
  • Software
  • The purpose of the CPU
  • Von Neumann Architecture
  • Memory Address Register (MAR)
  • Memory Data Register (MDR)
  • Program Counter (PC)
  • Accumulator (AC)
  • Common CPU Components
  • Arithmetic / Logic unit (ALU)
  • Control unit (CU)
  • Cache
  • Busses
  • The Fetch-Execute cycle
  • How common characteristics of CPUs affect their performance
  • Clock speed
  • Cache size
  • Number of cores
  • Purpose of embedded systems
  • Examples of embedded systems

Systems Architecture OCR GCSE Computer Science Workbook (J277)

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