Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q81: How is the binary number 101102 represented in the decimal system?
- A: 18
- B: 22
- C: 24
- D: 26
View Answer
B
Q82: In Binary Addition, what is the sum of 1 + 1?
- A: 0, with carry 1
- B: 1, with carry 1
- C: 0, without carry
- D: 1, without carry
View Answer
A
Q83: Which method is quicker for converting small decimal numbers to binary?
- A: Repeated Division-by-2
- B: Sum-of-non-zero terms
- C: Sum-of-Weights
- D: Multiplication
View Answer
C
Q84: What is the binary equivalent of the decimal number 392 using the repeated division by 2 method?
- A: 11011000
- B: 101000110
- C: 110001000
- D: 101110100
View Answer
C
Q85: In the context of binary arithmetic, what does the binary number 11010 represent in signed 2's complement form?
- A: 13
- B: -13
- C: -6
- D: 6
View Answer
C
Q86: What is the result of adding binary numbers 01101 and 10011 in 2's complement form?
- A: 1101
- B: 110000
- C: 100000
- D: 11000
View Answer
C
Q87: In binary multiplication, shifting a binary number to the left by two bits is equivalent to multiplication by:
- A: 2
- B: 4
- C: 8
- D: 16
View Answer
B
Q88: What is the range of numbers that can be represented using unsigned binary representation?
- A: Only positive
- B: Both positive and negative
- C: Negative only
- D: Fractional numbers
View Answer
A
Q89: In the Sum-of-Weights method, what value does a binary bit of 0 contribute to the final sum?
- A: Its weight
- B: Half its weight
- C: Double its weight
- D: None
View Answer
D
Q90: What is the binary equivalent of the decimal number 19?
- A: 10011
- B: 11001
- C: 10001
- D: 10101
View Answer
A