5. Given state variables Y1, Y2 and input X, which of the following represent the correct contents of the K1 K-map given the next state (NS) map for Y1n+1 below? 
 
                 ____Y1___                       ____Y1___ 
      _____________________           _____________________ 
      |    |    |    |    |           |    |    |    |    | 
      | 1  | 0  | 1  | 0  |           | ?  | ?  | ?  | ?  | 
      |____|____|____|____|           |____|____|____|____| 
     ||    |    |    |    |          ||    |    |    |    | 
    X|| 1  | 1  | 0  | 0  |         X|| ?  | ?  | ?  | ?  | 
     ||____|____|____|____|          ||____|____|____|____| 
            _________                       _________ 
                Y2                              Y2

              Y1n+1                             K1 

Kmap 1: 1    0    d    d        Kmap 2: d    d    1    0 

        1    1    d    d                d    d    0    0


Kmap 3: d    1    0    d        Kmap 4: d    d    0    1 

        d    0    1    d                d    d    1    1 


Kmap 5: 1    d    d    0 

        1    d    d    0

  1. Kmap 1
  2. Kmap 2
  3. Kmap 3
  4. Kmap 4
  5. Kmap 5

5 is WRONG.

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