The Processor

3 Main Parts of the Processor

  • Control Unit (CU)
  • Arithmatic & Logic Unit (ALU)
  • Registers

Control Unit (CU)

  • The CU sends out signals to fetch instructions from the Main Memory
  • The CU carries out the instructions that are fetched from the Main Memory

Arithmatic & Logic Unit (ALU)

  • The ALU Carries out the computers arithmetical calculations

Registers

  • Regsiters are small memory locations
  • Registers store the data for the current instruction
  • Registers store the address of a memory location