MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Signals Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
IF_H1,_H2_AND_H3_ARE_PARALLELLY_SUMMED,_FIND_THE_OVERALL_IMPULSE_RESPONSE?$ |
| A. | h1 + h2 + h3 |
| B. | h1 – h2 + h3 |
| C. | h1*h2*h3 |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
If h1, h2 and h3 are cascaded, and h1 = u(t), h2 = exp(t) and h3 = sin(t), find the overall impulse response$ |
| A. | sin(t)*exp(t)*u(t) |
| B. | sin(t) + exp(t) + u(t) |
| C. | u(t)*sin(t) |
| D. | all of the mentioned |
| Answer» E. | |
| 3. |
Find_the_value_of_[u(t)_–_u(t+1)]_*_x[t+1].$# |
| A. | $x(t+1) – $x(t+3) |
| B. | $x(t) – $x(t+2) |
| C. | $x(t) – $x(t-1) |
| D. | $x(t+1) – $x(t+2) |
| Answer» B. $x(t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® $x(t+2) | |
| 4. |
What is periodic convolution? |
| A. | Continuous type superposition |
| B. | Periodic type summation |
| C. | Discrete type addition |
| D. | Summation of both continuous and periodic type |
| Answer» E. | |
| 5. |
Who_started_the_Convolution_theorem? |
| A. | Sylvestre François Lacroix |
| B. | Vito Volterra |
| C. | Pierre Simon Laplace |
| D. | D’Alembert |
| Answer» C. Pierre Simon Laplace | |
| 6. |
If h1, h2 and h3 are cascaded, and h1 = u(t+4), h2 = d(t-3) and h3 = d(t-5), find the overall impulse response |
| A. | u(t-4) |
| B. | u(t-6) |
| C. | u(t-8) |
| D. | all of the mentioned |
| Answer» C. u(t-8) | |
| 7. |
If h1, h2 and h3 are cascaded, and h1 = u(t), h2 = d(t) and h3 = d(t), find the overall impulse response |
| A. | s(t) |
| B. | d(t) |
| C. | u(t) |
| D. | all of the mentioned |
| Answer» B. d(t) | |
| 8. |
Find the value of [d(t-3) – d(t-1)] * x[t+3].$ |
| A. | x(t+3) – x(t+2) |
| B. | x(t) – x(t+1) |
| C. | x(t) – x(t+2) |
| D. | x(t-1) – x(t+2) |
| Answer» D. x(t-1) ‚Äö√Ñ√∂‚àö√ë‚àö¬® x(t+2) | |
| 9. |
If h1, h2 and h3 are cascaded, find the overall impulse response |
| A. | h1 * h2 * h3 |
| B. | h1 + h2 + h3 |
| C. | h3 |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 10. |
Find the value of [d(t) – d(t-1)] * -x[t+1].$ |
| A. | x(t+1) – x(t) |
| B. | x(t) – x(t+1) |
| C. | x(t) – x(t-1) |
| D. | x(t-1) – x(t+1) |
| Answer» B. x(t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® x(t+1) | |