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Digital ElectronicsFinite State Machines

If the same 8-state machine uses compact binary state encoding, what is the minimum number of state bits required?

  • A2
  • B3
  • C4
  • D8
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Correct Answer: B. 3
Explanation: The minimum n satisfies 2^n≥8. Since 2^3=8, three binary state bits are sufficient.
Reference: Standard digital electronics: binary state encoding
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