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. |
What is the condition of a periodicity of exponential signal e t? |
| A. | =1 |
| B. | =2 |
| C. | =3 |
| D. | Depends on equation |
| Answer» B. =2 | |
| 2. |
What is the periodicity of a discrete time signal? |
| A. | 2 m/w |
| B. | 2 m/w |
| C. | 2 m/w |
| D. | 2 m/w |
| Answer» C. 2 m/w | |
| 3. |
What is the period of cos3t + sin14t? |
| A. | 4 |
| B. | |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 4. |
What is a fundamental angular frequency? |
| A. | The inverse of the fundamental time period |
| B. | The inverse of fundamental frequency |
| C. | Fundamental frequency in radians |
| D. | Fundamental frequency in degree |
| Answer» D. Fundamental frequency in degree | |
| 5. |
Is the signal e t periodic? |
| A. | Not periodic |
| B. | Yes periodic |
| C. | Depends on the value of |
| D. | Semi- periodic |
| Answer» D. Semi- periodic | |
| 6. |
When a continuous signal is a mixture of two continuous periodic signals, what is its periodicity? |
| A. | LCM of the periods of the two signals, provide their ratio is unity |
| B. | LCM of the periods of the two signals, provide their ratio is rational |
| C. | HCF of the periods of the two signals, provide their ratio is rational |
| D. | LCM of the periods of the two signals provide their ratio is real |
| Answer» C. HCF of the periods of the two signals, provide their ratio is rational | |
| 7. |
What is the period of the signal: 2cost/6? |
| A. | 8 |
| B. | 16 |
| C. | 12 |
| D. | 10 |
| Answer» D. 10 | |
| 8. |
Is a non periodic signal same as aperiodic signal? |
| A. | No, it is not same as an aperiodic signal |
| B. | Yes it is the other name of aperiodic signal |
| C. | It is a branch of aperiodic signal |
| D. | Aperiodic signal is a branch of non periodic signal |
| Answer» C. It is a branch of aperiodic signal | |
| 9. |
How can we generate a periodic signal from a periodic signal itself? |
| A. | By extending a signal with duration T |
| B. | Cannot be extended |
| C. | By extending the periodic signal s amplitude |
| D. | By extending the sugar with duration 2 |
| Answer» B. Cannot be extended | |
| 10. |
Is the sum of discrete time periodic signals periodic? |
| A. | No, they are not |
| B. | Yes they are |
| C. | Depends on the signal |
| D. | Not periodic if their ratio is not rational |
| Answer» C. Depends on the signal | |