MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
What is the period of the scaled spectrum Fs.X(F)? |
| A. | 2F<sub>s</sub> |
| B. | F<sub>s</sub>/2 |
| C. | 4F<sub>s</sub> |
| D. | F<sub>s</sub> |
| Answer» E. | |
| 2. |
When >0, then what is the condition on r ? |
| A. | 0<r<1 |
| B. | r=1 |
| C. | r>1 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
When <0, then what is the condition on r ? |
| A. | 0<r<1 |
| B. | r=1 |
| C. | r>1 |
| D. | None of the mentioned |
| Answer» B. r=1 | |
| 4. |
Which of the following is the correct relation between and ? |
| A. | = T |
| B. | T= |
| C. | = T |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
Which of the following filters cannot be designed using impulse invariance method? |
| A. | Low pass |
| B. | Band pass |
| C. | Low and band pass |
| D. | High pass |
| Answer» E. | |
| 6. |
Sampling interval T is selected sufficiently large to completely avoid or at least minimize the effects of aliasing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
The frequency response given in the above question is for a low pass digital filter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Aliasing occurs if the sampling rate Fs is more than twice the highest frequency contained in X(F). |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
When =0, then what is the condition on r ? |
| A. | 0<r<1 |
| B. | r=1 |
| C. | r>1 |
| D. | None of the mentioned |
| Answer» C. r>1 | |
| 10. |
If a continuous time signal x(t) with spectrum X(F) is sampled at a rate Fs=1/T samples per second, then what is the scaled spectrum? |
| A. | X(F) |
| B. | F<sub>s</sub>.X(F) |
| C. | X(F)/F<sub>s</sub> |
| D. | None of the mentioned |
| Answer» C. X(F)/F<sub>s</sub> | |
| 11. |
If a continuous time signal x(t) with spectrum X(F) is sampled at a rate Fs=1/T samples per second, the spectrum of the sampled signal is _____________ |
| A. | Non periodic repetition |
| B. | Non periodic non-repetition |
| C. | Periodic repetition |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 12. |
By impulse invariance method, the IIR filter will have a unit sample response h(n) that is the sampled version of the analog filter. |
| A. | True |
| B. | False |
| Answer» B. False | |