Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q131: What is the result of adding hexadecimal numbers 2AC6 and 92B5?
- A: BD7B
- B: AB6A
- C: CA12
- D: 1234
View Answer
A
Q132: How can the number zero be represented in a 15-digit decimal floating-point format?
- A: All mantissa digits set to 9
- B: All mantissa digits set to 0
- C: All exponent digits set to 0
- D: All exponent digits set to 9
View Answer
B
Q133: What is the smallest exponent value that can be represented using a biased exponent scheme with a bias of 50?
- A: -49
- B: -48
- C: -50
- D: -51
View Answer
C
Q134: In a 64-bit Double-Precision Floating Point format, which bit is used to represent the sign?
- A: The first bit
- B: The last bit
- C: The middle bit
- D: The exponent bit
View Answer
A
Q135: What is the range of exponent values in a 32-bit Single Precision Floating Point format?
- A: +127 to -127
- B: +128 to -127
- C: +128 to -126
- D: +127 to -126
View Answer
D
Q136: Which of the following can represent infinity in the biased exponent scheme?
- A: The maximum exponent value
- B: The minimum exponent value
- C: The exponent value 0
- D: The exponent value 99
View Answer
D
Q137: Which hexadecimal value corresponds to the binary number 1101?
- A: D
- B: B
- C: A
- D: F
View Answer
A
Q138: What is the binary equivalent of the hexadecimal number FD13?
- A: 1111 1101 0001 0011
- B: 1101 1011 0001 0011
- C: 1011 1110 0011 0101
- D: 1111 1110 0000 1111
View Answer
A
Q139: In hexadecimal subtraction, what is the result of subtracting 2AC6 from 92B5?
- A: 679F
- B: 67EF
- C: 67BF
- D: 671F
View Answer
B
Q140: What does the subscript '16' in the number 10H indicate?
- A: It’s a decimal number
- B: It’s a hexadecimal number
- C: It’s a binary number
- D: It’s an octal number
View Answer
B