Which of the following logic expression is incorrect?
| A. | 1 ⊕ 0 = 1 |
| B. | 1 ⊕ 1 ⊕ 0 =1 |
| C. | 1 ⊕ 1 ⊕ 1 = 1 |
| D. | 1 ⊕ 1 = 0 |
|
Option: B Explanation : Click on Discuss to view users comments. |
In the following Karnaugh map, corresponding switching function in its minimal form is
| A. | F( w , x , y , z ) = x' z' |
| B. | F( w , x , y , z ) = ( x' + z' ) ( w + z' )( x + y+ z ) |
| C. | F( w , x , y , z ) = x z + w' z + x' y' z' |
| D. | F( w, x , y , z ) = x' z' + w z' w z' + xyz |
|
Option: D Explanation : Click on Discuss to view users comments. |
The minimum Boolean expression for the circuit is
| A. |
|
| B. |
|
| C. |
|
| D. |
|
|
Option: A Explanation :
Click on Discuss to view users comments. |
Consider a function that is defined by the following truth table:
|
A |
B |
C |
F(A, B, C ) |
|
0 |
0 |
0 |
1 |
|
1 |
0 |
0 |
1 |
|
0 |
1 |
0 |
1 |
|
1 |
1 |
0 |
1 |
|
0 |
0 |
1 |
1 |
|
1 |
0 |
1 |
0 |
|
0 |
1 |
1 |
X |
|
1 |
1 |
1 |
X |
Which of the following statements about the minimal sum of products and minimal product of sums implementations is incorrect?
note that x represents don't care term
| A. | They are logically equivalent because the don't cares are used in the same way |
| B. | They are not logically equivalent because the don't cares are used in the different ways |
| C. | They are not logically equivalent by definition |
| D. | They are logically equivalent by definition |
|
Option: A Explanation : Click on Discuss to view users comments. |
