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Control Unit Operation - Coggle Diagram

- - - - —MBR <- (memory)
      - IRaddress <- (MBRaddress)
      - MAR <- (IRaddress) - address field of IR
  - - - t2: MAR <- save-address,PC <- routine-address
      - t3: memory <- (MBR)
      - t1: MBR <-(PC)
- - - - Internal data pahs
      - External data paths
      - Registers
      - Control Unit
      - ALU
  - - - Instruction register
      - Flags
      - Clock
      - From control bus
      - output
        
        Within CPU
        
        Via control bus
  - - - Gates
      - Control signals
      - All elements are connected via a bus
      - Temporary registers