# FIR Filter Realization - Electronic Engineering (MCQ) questions & answers

1)   In cascade form of realization, how many bits should be used to represent the FIR filter coefficients in order to avoid the quantization effect on filter coefficients?

a. 5 to 10
b. 12 to 14
c. 20 to 24
d. 28 to 40
 Answer  Explanation ANSWER: 12 to 14 Explanation: No explanation is available for this question!

2)   In the frequency response characteristics of FIR filter, the number of bits per coefficient should be _________in order to maintain the same error.

a. Increased
b. Constant
c. Decreased
d. None of the above
 Answer  Explanation ANSWER: Increased Explanation: No explanation is available for this question!

3)   In FIR filters, which among the following parameters remains unaffected by the quantization effect?

a. Magnitude Response
b. Phase Characteristics
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: Phase Characteristics Explanation: No explanation is available for this question!

4)   Which filters exhibit their dependency upon the system design for the stability purpose?

a. FIR
b. IIR
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: IIR Explanation: No explanation is available for this question!

5)   In linear phase realization, equal valued coefficients are taken common for reducing the requisite number of ________.

b. subtractors
c. multipliers
d. dividers
 Answer  Explanation ANSWER: multipliers Explanation: No explanation is available for this question!

6)   How is/are the roundoff errors reduced in the digital FIR filter?

b. By rounding the results after acquiring the final sum
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: Both a and b Explanation: No explanation is available for this question!

7)   Which is/are the correct way/s for the result quantization of an arithmetic operation?

a. Result Truncation
b. Result Rounding
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: Both a and b Explanation: No explanation is available for this question!

8)   Which among the following has/have a provision to support an adaptive filtering mechanism?

a. IIR
b. FIR
c. Both a and b
d. None of the above
 Answer  Explanation ANSWER: Both a and b Explanation: No explanation is available for this question!

9)   How is the sensitivity of filter coefficient quantization for FIR filters?

a. Low
b. Moderate
c. High
d. Unpredictable
 Answer  Explanation ANSWER: Low Explanation: No explanation is available for this question!

10)   In tapped delay line filter, the tapped line is also known as ________

a. Pick-on node
b. Pick-off node
c. Pick-up node
d. Pick-down node
 Answer  Explanation ANSWER: Pick-off node Explanation: No explanation is available for this question!