A ring counter with 5 flip-flops will have:

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URSC (ISRO) Technician B: Electronic Mechanic Previous Year Paper (Held on 24 March 2019)
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  1. 5 states
  2. 32 states
  3. 10 states
  4. Infinite

Answer (Detailed Solution Below)

Option 1 : 5 states
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Detailed Solution

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The Ring shift counter is a recirculating register in which the serial output is connected back to the serial input as shown:
          F1 S.B Deepak 28.12.2019 D7

A Straight ring counter with ‘n’ flip-flops will have n states.

Therefore, the ring counter with 5 flip-flops will have 5 states.

26 June 1

A Johnson counter is a modified ring counter, where the inverted output from the last flip flop is connected to the input to the first.

The MOD of the Johnson counter is 2n if n flip-flops are used.

The circuit diagram for a 4-bit Johnson Counter is as shown:

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