MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 cos2t+sin3t? |
| A. | pi |
| B. | 2*pi |
| C. | 3*pi |
| D. | 4*pi |
| Answer» C. 3*pi | |
| 2. |
x(t) or x(n) is defined to be an energy signal, if and only if the total energy content of the signal is a ___________ |
| A. | Finite quantity |
| B. | Infinite |
| C. | Zero |
| D. | None of the mentioned |
| Answer» B. Infinite | |
| 3. |
All energy signals will have an average power of ___________ |
| A. | Infinite |
| B. | Zero |
| C. | Positive |
| D. | Cannot be calculated |
| Answer» C. Positive | |
| 4. |
Let x1(t) and x2(t) be periodic signals with fundamental periods T1 and T2 respectively. Then the fundamental period of x(t)=x1(t)+x2(t) is? |
| A. | LCM of T<sub>1</sub> and T<sub>2</sub> |
| B. | HCF of T<sub>1</sub>and T<sub>2</sub> |
| C. | Product of T<sub>1</sub> and T<sub>2</sub> |
| D. | Ratio of T<sub>1</sub> to T<sub>2</sub> |
| Answer» B. HCF of T<sub>1</sub>and T<sub>2</sub> | |
| 5. |
For a continuous time signal x(t) to be periodic with a period T, then x(t+mT) should be equal to ___________ |
| A. | x(-t) |
| B. | x(mT) |
| C. | x(mt) |
| D. | x(t) |
| Answer» E. | |
| 6. |
The even part of a signal x(t) is? |
| A. | x(t)+x(-t) |
| B. | x(t)-x(-t) |
| C. | (1/2)*(x(t)+x(-t)) |
| D. | (1/2)*(x(t)-x(-t)) |
| Answer» D. (1/2)*(x(t)-x(-t)) | |
| 7. |
The deflection voltage of an oscilloscope is a deterministic signal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following is done to convert a continuous time signal into discrete time signal? |
| A. | Modulating |
| B. | Sampling |
| C. | Differentiating |
| D. | Integrating |
| Answer» C. Differentiating | |