Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q91: The 4-bit 2‟s complement representation of “+5” is _____________
- A: 1010
- B: 1110
- C: 1011
- D: 101
View Answer
D
Q92: Which method is faster for converting binary numbers to their decimal equivalents?
- A: Sum-of-Weights
- B: Sum-of-Bits
- C: Sum-of-non-zero terms
- D: Subtraction Method
View Answer
C
Q93: How is the binary number 1011.1012 converted to decimal?
- A: 11.125
- B: 11.625
- C: 10.625
- D: 11.25
View Answer
B
Q94: What is the first step in converting a decimal number to binary using the Sum-of-Weights method?
- A: Find the smallest weight
- B: Find the highest weight
- C: Subtract the smallest weight
- D: Subtract the highest weight
View Answer
B
Q95: Which method divides the decimal number repeatedly by 2 to convert it to binary?
- A: Sum-of-Weights
- B: Repeated Division-by-2
- C: Sum-of-non-zero terms
- D: Sum-of-Bits
View Answer
B
Q96: When performing binary addition, what does a sum of 1 and carry of 1 indicate?
- A: Sum of 1, carry of 1
- B: Sum of 0, carry of 1
- C: Sum of 1, carry of 0
- D: Sum of 0, carry of 0
View Answer
B
Q97: How is binary subtraction similar to decimal subtraction?
- A: Same subtraction logic
- B: Different logic but same result
- C: Different subtraction logic
- D: Binary subtraction does not exist
View Answer
A
Q98: What is the product of multiplying two single-bit binary numbers if both bits are 1?
- A: 1
- B: 2
- C: "0"
- D: 11
View Answer
A
Q99: In binary multiplication, what does a left shift by 2 bits represent?
- A: Division by 2
- B: Multiplication by 2
- C: Multiplication by 4
- D: Division by 4
View Answer
C
Q100: What does a right shift by 1 bit in binary division represent?
- A: Multiplication by 2
- B: Division by 2
- C: Division by 4
- D: Multiplication by 4
View Answer
B