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Addressing Modes - Coggle Diagram

- - - - Register addressing
      - Mixture of register and immediate
        addressing
    - - Immediate
      - Instruction contains 24 bit value
      - Shifted 2 bits left
- - - - Bus structure
      - CPU complexity
      - Memory organization
      - CPU speed
      - Memory size
  - - - In group 3, the bits at both 0400 and
        0001 are always 1
      - In group 1, the bit at 0400 (octal) is
        always 0
      - In group 2, the bit at 0400 is always 1
        and the bit at 0001 is always 0.