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Digital Electronics - Combinational Logic Analysis


Exercise

"Love is like a war, Easy to begin Hard to end."
- (Proverb)
1. 

Referring to the GAL diagram, which is the correct logic function?

A.
B.
C.
D.

2. 

The output of an exclusive-NOR gate is 1. Which input combination is correct?

A. A = 1, B = 0
B. A = 0, B = 1
C. A = 0, B = 0
D. none of the above

3. 

The Boolean SOP expression obtained from the truth table below is ________.

A.
B.
C.
D. None of these

4. 

The 8-input XOR circuit shown has an output of Y = 1. Which input combination below (ordered A – H) is correct?

A. 10111100B. 10111000
C. 11100111D. 00011101

5. 

Implementing the expression AB + CDE using NAND logic, we get:

A. (A)B. (B)
C. (C)D. (D)




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