Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q151: What is the value of octal 12 in decimal?
- A: 12
- B: 14
- C: 10
- D: 8
View Answer
B
Q152: What is the smallest digit used in the octal number system?
- A: zero
- B: 1
- C: 7
- D: 8
View Answer
A
Q153: How is the number 0 represented in the octal system?
- A: zero
- B: 1
- C: 10
- D: 8
View Answer
A
Q154: Which of these is not a valid octal number?
- A: 70
- B: 78
- C: 71
- D: 17
View Answer
B
Q155: What is the octal equivalent of binary 1010?
- A: 12
- B: 10
- C: 11
- D: 8
View Answer
B
Q156: How is the binary number 111 represented in octal?
- A: 5
- B: 7
- C: 6
- D: 4
View Answer
B
Q157: What is the output of a 2-input AND gate when both inputs are 1?
- A: zero
- B: 1
- C: 10
- D: 1
View Answer
B
Q158: What is the output of a 2-input OR gate when both inputs are 0?
- A: zero
- B: 1
- C: 10
- D: 1
View Answer
A
Q159: Which gate performs a logical multiplication function?
- A: OR Gate
- B: AND Gate
- C: NOT Gate
- D: NAND Gate
View Answer
B
Q160: How many inputs does a NOT Gate have?
- A: 2
- B: 1
- C: 3
- D: 4
View Answer
B