Overview of Learning

• The purpose of the CPU
• Common CPU components and their function:
  • ALU (Arithmetic Logic Unit)
  • CU (Control Unit)
  • Cache
• Von Neumann Principle
• Von Neumann Architecture:
  • MAR (Memory Address Register)
  • MDR (Memory Data Register)
  • Program Counter
  • Accumulator
  • CIR
• The function of the CPU to fetch and execute instructions stored in memory
• How common characteristics of CPUs affect their performance:
  • clock speed
  • cache size
  • number of cores

• GCSE 1.1 The von Neumann architecture

• GCSE 1.1 How common characteristics of CPUs affect their performance

You should know...