Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q121: What is the hidden bit in the floating-point format?
- A: The leading bit of the mantissa
- B: The exponent
- C: The sign bit
- D: The leading 1 that is not written
View Answer
D
Q122: What is the result when you add two floating-point numbers with different exponents?
- A: The result is always zero
- B: The mantissas are added directly
- C: The decimal point of one number is adjusted to match the exponent of the other
- D: The exponents are subtracted
View Answer
C
Q123: In the 64-bit Double-Precision Floating Point format, how many bits are used for the exponent?
- A: 11
- B: 8
- C: 52
- D: 23
View Answer
A
Q124: How are very large or very small numbers typically represented in digital systems?
- A: By using more bits
- B: By using scientific notation
- C: By using hexadecimal representation
- D: By using binary numbers
View Answer
B
Q125: Which base is used in the Hexadecimal number system?
- A: 2
- B: 8
- C: 10
- D: 16
View Answer
D
Q126: What is the hexadecimal equivalent of the binary number 1101 0110?
- A: B6
- B: D6
- C: A6
- D: F6
View Answer
B
Q127: How do you represent the number 16 in hexadecimal?
- A: F
- B: 10
- C: 1F
- D: 11
View Answer
B
Q128: Which method is used to convert a decimal number directly into hexadecimal?
- A: Indirect method
- B: Repeated Division-by-16 Method
- C: Sum-of-Weights method
- D: Division-by-2 Method
View Answer
B
Q129: What is the hexadecimal equivalent of the decimal number 2096?
- A: 8A0
- B: 830
- C: 1A0
- D: 430
View Answer
B
Q130: Which method converts hexadecimal to decimal directly by summing the weights?
- A: Indirect method
- B: Repeated Division Method
- C: Sum-of-Weights Method
- D: Binary Conversion Method
View Answer
C