MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 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. |
The output of the source encoder is an analog signal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
WHEN_THE_BASE_OF_THE_LOGARITHM_IS_E,_THE_UNIT_OF_MEASURE_OF_INFORMATION_IS?$ |
| A. | Bits |
| B. | Bytes |
| C. | Nats |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
THE_OUTPUT_OF_AN_INFORMATION_SOURCE_IS?$ |
| A. | Random |
| B. | Deterministic |
| C. | Random & Deterministic |
| D. | None of the mentioned |
| Answer» B. Deterministic | |
| 4. |
The output of the source encoder is an analog signal? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The mutual information between a pair of events is |
| A. | Positive |
| B. | Negative |
| C. | Zero |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
If the channel is noiseless information conveyed is ___ and if it is useless channel information conveyed is ___ |
| A. | 0,0 |
| B. | 1,1 |
| C. | 0,1 |
| D. | 1,0 |
| Answer» E. | |
| 7. |
Which conveys more information? |
| A. | High probability event |
| B. | Low probability event |
| C. | High & Low probability event |
| D. | None of the mentioned |
| Answer» C. High & Low probability event | |
| 8. |
Quantization is a _____ process. |
| A. | Few to few mapping |
| B. | Few to many mapping |
| C. | Many to few mapping |
| D. | Many to many mapping |
| Answer» D. Many to many mapping | |
| 9. |
Which is a quantization process? |
| A. | Rounding |
| B. | Truncation |
| C. | Rounding & Truncation |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
Spread spectrum is used for |
| A. | Encrypting signal |
| B. | Hiding signal |
| C. | Encrypting & Hiding signal |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |