MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
It is possible to map the j -axis into the unit circle. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following filter transformation is not possible? |
| A. | High pass analog filter to low pass digital filter |
| B. | High pass analog filter to high pass digital filter |
| C. | Low pass analog filter to low pass digital filter |
| D. | None of the mentioned |
| Answer» C. Low pass analog filter to low pass digital filter | |
| 3. |
This mapping is restricted to the design of low pass filters and band pass filters having relatively small resonant frequencies. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
If s=j and if varies from - to , then what is the corresponding locus of points in z-plane? |
| A. | Circle of radius 1 with centre at z=0 |
| B. | Circle of radius 1 with centre at z=1 |
| C. | Circle of radius 1/2 with centre at z=1/2 |
| D. | Circle of radius 1 with centre at z=1/2 |
| Answer» D. Circle of radius 1 with centre at z=1/2 | |
| 5. |
Which of the following in z-domain is equal to s-domain of second order derivate? |
| A. | (( frac{1-z^{-1}}{T})^2 ) |
| B. | (( frac{1+z^{-1}}{T})^2 ) |
| C. | (( frac{1+z^{-1}}{T})^{-2} ) |
| D. | None of the mentioned |
| Answer» B. (( frac{1+z^{-1}}{T})^2 ) | |
| 6. |
Which of the following is the backward difference for the derivative of y(t) with respect to t for t=nT? |
| A. | [y(n)+y(n+1)]/T |
| B. | [y(n)+y(n-1)]/T |
| C. | [y(n)-y(n+1)]/T |
| D. | [y(n)-y(n-1)]/T |
| Answer» E. | |
| 7. |
An analog filter can be converted into digital filter by approximating the differential equation by an equivalent difference equation. |
| A. | True |
| B. | False |
| Answer» B. False | |