Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q351: How many Prime Implicants are listed in table 13.4?
- A: 5
- B: 8
- C: 10
- D: 14
View Answer
B
Q352: What is the simplified expression for the Adjacent 1s Detector circuit using the SOP form?
- A: AB + CD + BC
- B: ACDE + BCDE + ABE + BCE + BDE
- C: (A + C)(B + C)(B + D)
- D: AB + BC + CD
View Answer
B
Q353: In the SOP implementation of the Adjacent 1s Detector, how many gates are required in total?
- A: 10 gates
- B: 8 gates
- C: 4 gates
- D: 12 gates
View Answer
A
Q354: What is the simplified POS expression for the Adjacent 1s Detector circuit?
- A: AB + BC + CD
- B: (A + C)(B + C)(B + D)
- C: AB + CD + BC
- D: ABE + BCDE + ACDE + BDE
View Answer
B
Q355: Which form of Boolean expression involves summing product terms?
- A: POS
- B: SOP
- C: K-map
- D: Quine-McCluskey
View Answer
B
Q356: The Adjacent 1s Detector circuit can be simplified to use only which type of gates in NAND implementation?
- A: NOR gates
- B: AND gates
- C: XOR gates
- D: NAND gates
View Answer
D
Q357: What is the total gate count for the POS based implementation of the Adjacent 1s Detector?
- A: 19 gates
- B: 8 gates
- C: 4 gates
- D: 10 gates
View Answer
A
Q358: What type of circuit output is indicated by a logic 1?
- A: Active-low
- B: Active-high
- C: Passive-low
- D: Passive-high
View Answer
B
Q359: How is an active-low output circuit created?
- A: By adding NOT gates to inputs
- B: By adding bubbles to the output
- C: By removing NOT gates from outputs
- D: By connecting inputs directly
View Answer
B
Q360: Which of the following is NOT a valid method to simplify Boolean expressions?
- A: Quine-McCluskey method
- B: Karnaugh map
- C: SOP and POS forms
- D: Digital Circuit Analysis
View Answer
C