MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The anti-symmetric condition with M even is not used in the design of which of the following linear-phase FIR filter? |
| A. | Low pass |
| B. | High pass |
| C. | Band pass |
| D. | Bans stop |
| Answer» B. High pass | |
| 2. |
Which of the following is not suitable either as low pass or a high pass filter? |
| A. | h(n) symmetric and M odd |
| B. | h(n) symmetric and M even |
| C. | h(n) anti-symmetric and M odd |
| D. | h(n) anti-symmetric and M even |
| Answer» D. h(n) anti-symmetric and M even | |
| 3. |
What is the number of filter coefficients that specify the frequency response for h(n) anti-symmetric? |
| A. | (M-1)/2 when M is even and M/2 when M is odd |
| B. | (M-1)/2 when M is odd and M/2 when M is even |
| C. | (M+1)/2 when M is even and M/2 when M is odd |
| D. | (M+1)/2 when M is odd and M/2 when M is even |
| Answer» C. (M+1)/2 when M is even and M/2 when M is odd | |
| 4. |
What is the number of filter coefficients that specify the frequency response for h(n) symmetric? |
| A. | (M-1)/2 when M is odd and M/2 when M is even |
| B. | (M-1)/2 when M is even and M/2 when M is odd |
| C. | (M+1)/2 when M is even and M/2 when M is odd |
| D. | (M+1)/2 when M is odd and M/2 when M is even |
| Answer» E. | |
| 5. |
The roots of the equation H(z) must occur in ________________ |
| A. | Identical |
| B. | Zero |
| C. | Reciprocal pairs |
| D. | Conjugate pairs |
| Answer» D. Conjugate pairs | |
| 6. |
The roots of the polynomial H(z) are identical to the roots of the polynomial H(z-1). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
If H(z) is the z-transform of the impulse response of an FIR filter, then which of the following relation is true? |
| A. | zM+1.H(z-1)=±H(z) |
| B. | z-(M+1).H(z-1)=±H(z) |
| C. | z(M-1).H(z-1)=±H(z) |
| D. | z-(M-1).H(z-1)=±H(z) |
| Answer» E. | |
| 8. |
WHAT_IS_THE_NUMBER_OF_FILTER_COEFFICIENTS_THAT_SPECIFY_THE_FREQUENCY_RESPONSE_FOR_H(N)_SYMMETRIC??$ |
| A. | (M-1)/2 when M is odd and M/2 when M is even |
| B. | (M-1)/2 when M is even and M/2 when M is odd |
| C. | (M+1)/2 when M is even and M/2 when M is odd |
| D. | (M+1)/2 when M is odd and M/2 when M is even |
| Answer» E. | |
| 9. |
Which of the following is not suitable either as low pass or a high pass filter?$ |
| A. | h(n) symmetric and M odd |
| B. | h(n) symmetric and M even |
| C. | h(n) anti-symmetric and M odd |
| D. | h(n) anti-symmetric and M even |
| Answer» D. h(n) anti-symmetric and M even | |
| 10. |
What_is_the_number_of_filter_coefficients_that_specify_the_frequency_response_for_h(n)_anti-symmetric?$ |
| A. | (M-1)/2 when M is even and M/2 when M is odd |
| B. | (M-1)/2 when M is odd and M/2 when M is even |
| C. | (M+1)/2 when M is even and M/2 when M is odd |
| D. | (M+1)/2 when M is odd and M/2 when M is even |
| Answer» C. (M+1)/2 when M is even and M/2 when M is odd | |
| 11. |
The anti-symmetric condition is not used in the design of low pass linear phase FIR filter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
The_anti-symmetric_condition_with_M_even_is_not_used_in_the_design_of_which_of_the_following_linear-phase_FIR_filter? |
| A. | Low pass |
| B. | High pass |
| C. | Band pass |
| D. | Bans stop |
| Answer» B. High pass | |
| 13. |
What is the value of h(M-1/2) if the unit sample response is anti-symmetric? |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | None of the mentioned |
| Answer» B. 1 | |
| 14. |
If the unit sample response h(n) of the filter is real, complex valued roots need not occur in complex conjugate pairs. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
The roots of the equation H(z) must occur in: |
| A. | Identical |
| B. | Zero |
| C. | Reciprocal pairs |
| D. | Conjugate pairs |
| Answer» D. Conjugate pairs | |
| 16. |
The roots of the polynomial H(z) are identical to the roots of the polynomial H(z -1). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Which of the following condition should the unit sample response of a FIR filter satisfy to have a linear phase? |
| A. | h(M-1-n) n=0,1,2…M-1 |
| B. | ±h(M-1-n) n=0,1,2…M-1 |
| C. | -h(M-1-n) n=0,1,2…M-1 |
| D. | None of the mentioned |
| Answer» C. -h(M-1-n) n=0,1,2‚Äö√Ñ√∂‚àö√묨‚àÇM-1 | |
| 18. |
The lower and upper limits on the convolution sum reflect the causality and finite duration characteristics of the filter. |
| A. | True |
| B. | False |
| Answer» B. False | |