Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Chapter: 45
Q921:
How can Offset Error be compensated in an A/D converter?
A. By adjusting the output with respect to the offset
B. By replacing faulty comparators
C. By recalibrating the entire system
D. By increasing the resolution
Correct Answer:
A
Chapter: 45
Q922:
Which type of D/A converter uses a resistor network with values R and 2R?
A. Binary-Weighted-Input D/A Converter
B. R/2R Ladder D/A Converter
C. Successive-Approximation D/A Converter
D. Flash D/A Converter
Correct Answer:
B
Chapter: 45
Q923:
What is the advantage of the R/2R Ladder D/A Converter over the Binary-Weighted-Input D/A Converter?
A. It avoids using multiple weighted resistors
B. It provides faster conversion
C. It requires fewer bits for accurate conversion
D. It is less expensive to manufacture
Correct Answer:
A
Chapter: 45
Q924:
What does the resolution of a D/A converter indicate?
A. Number of bits converted
B. Maximum output voltage
C. Settling time of the converter
D. Accuracy of the output voltage
Correct Answer:
A
Chapter: 45
Q925:
How is the accuracy of a D/A converter typically expressed?
A. As a percentage of the full-scale output voltage
B. As a percentage of the input voltage
C. As a ratio of the input to output
D. As a function of the settling time
Correct Answer:
A
Chapter: 45
Q926:
What is the ideal output characteristic of a monotonic D/A converter?
A. Increasing analogue voltage with increasing input
B. Constant voltage regardless of input change
C. Decreasing analogue voltage with increasing input
D. Non-linear output
Correct Answer:
A
Chapter: 45
Q927:
How is settling time defined for a D/A converter?
A. Time taken to settle within ±1/2 least significant bit
B. Time taken to reach the final value
C. Time taken for the output to stabilize
D. Time taken for the input to be converted
Correct Answer:
A