This “Systems Architecture” student workbook is ideal for students, non-specialist teachers, NQTs any anyone who wants to learn more about Systems Architecture, to gain confidence in the OCR GCSE (9-1) in Computer Science (J276) 1.1. Systems Architecture specification.  Can be used in the classroom as a teaching aid, for self-study or as a revision tool.


This 26 page PDF which covers the theory and includes ready-to-use tasks and even includes the answers.


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


OCR Systems Architecture Workbook

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