In the Karnaugh map shown below, X denotes a don't care term. What is the…

GATE · 2008 · CS

In the Karnaugh map shown below, X denotes a don't care term. What is the minimal form of the function represented by the Karnaugh map?

K-Map

1. A.

   b'd'+a'd'

2. B.

   a'b'+b'd'+a'b'd'

3. C.

   b'd'+a'b'd'

4. D.

   a'b'+b'd'+a'd'

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