‪
-What is the significance of the Xs in the Karnaugh map shown in Figure 9- 7?
A) They must all be grouped together to form an output equation.
B) They can represent either ones or zeroes, as long as they are all the same.
C) They represent 'don't care' states.
D) They may be grouped with either the ones or the zeroes in the Karnaugh map.

Question

‪ 
-What is the significance of the Xs in the Karnaugh map shown in Figure 9- 7?
A) They must all be grouped together to form an output equation. 
B) They can represent either ones or zeroes, as long as they are all the same. 
C) They represent 'don't care' states. 
D) They may be grouped with either the ones or the zeroes in the Karnaugh map.

Quizplus · Accepted Answer

The Xs in a Karnaugh map represent 'don't care' states, which can be used to simplify the logic expression by grouping them with either ones or zeroes.

‪ -What Is the Significance of the Xs in the Karnaugh