MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
CPM has |
| A. | Narrower bandwidth |
| B. | Wider bandwidth |
| C. | More bandwidth requirement |
| D. | None of the mentioned |
| Answer» B. Wider bandwidth | |
| 2. |
Which method has two way link? |
| A. | Open loop method |
| B. | Closed loop method |
| C. | Open & Closed loop method |
| D. | None of the mentioned |
| Answer» C. Open & Closed loop method | |
| 3. |
Which method requires external authority and is inflexible? |
| A. | Open loop method |
| B. | Closed loop method |
| C. | Open & Closed loop method |
| D. | None of the mentioned |
| Answer» B. Closed loop method | |
| 4. |
What is the function of the edge detector? |
| A. | Differentiation |
| B. | Rectification |
| C. | Differentiation & Rectification |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
Continuous phase modulation has |
| A. | More bandwidth efficiency |
| B. | More smoothness |
| C. | More bandwidth efficiency & smoothness |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
The number of filters in CPM receiver structure is |
| A. | LM |
| B. | ML |
| C. | M/L |
| D. | None of the mentioned |
| Answer» C. M/L | |
| 7. |
Which method has fast acquisition and can work without return link? |
| A. | Open loop method |
| B. | Closed loop method |
| C. | Open & Closed loop method |
| D. | None of the mentioned |
| Answer» B. Closed loop method | |
| 8. |
Synchronization is used in system which has |
| A. | Non coherent modulation techniques |
| B. | Many users accessing |
| C. | Non coherent modulation techniques & Many users accessing |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |