MCQOPTIONS
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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. |
Which has worse signal to noise performance? |
| A. | Delay locked loop |
| B. | Tau-dither loop |
| C. | Delay locked & Tau-dither loop |
| D. | None of the mentioned |
| Answer» C. Delay locked & Tau-dither loop | |
| 2. |
WHICH_HAS_WORSE_SIGNAL_TO_NOISE_PERFORMANCE??$ |
| A. | Delay locked loop |
| B. | Tau-dither loop |
| C. | Delay locked & Tau-dither loop |
| D. | None of the mentioned |
| Answer» C. Delay locked & Tau-dither loop | |
| 3. |
How many correlators are used for despreading and code tracking function? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | None of the mentioned |
| Answer» B. Two | |
| 4. |
Matched filter does ______ search. |
| A. | Serial |
| B. | Parallel |
| C. | Serial & Parallel |
| D. | None of the mentioned |
| Answer» B. Parallel | |
| 5. |
Acquisition can be accomplished ________ as all possible codes are examined ______ |
| A. | Slowly, one by one |
| B. | Rapidly, simultaneously |
| C. | Slowly, simultaneously |
| D. | Rapidly, one by one |
| Answer» C. Slowly, simultaneously | |
| 6. |
Acquisition uses ______ likelihood algorithm for acquiring the code. |
| A. | Minimum |
| B. | Maximum |
| C. | Minimum & Maximum |
| D. | None of the mentioned |
| Answer» C. Minimum & Maximum | |
| 7. |
Uncertainty in the distance between transmitter and receiver translates into uncertainty in |
| A. | Frequency |
| B. | Propagation delay |
| C. | Efficiency |
| D. | None of the mentioned |
| Answer» C. Efficiency | |
| 8. |
Acquisition can be of ______ type. |
| A. | Coherent |
| B. | Non coherent |
| C. | Coherent & Non coherent |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
Tracking maintains the possible waveform ______ alignment using a feedback loop. |
| A. | Fine |
| B. | Coarse |
| C. | Fine & Coarse |
| D. | None of the mentioned |
| Answer» B. Coarse | |
| 10. |
Acquisition is a process of bringing two spreading signals into _______ alignment. |
| A. | Fine |
| B. | Coarse |
| C. | Fine & Coarse |
| D. | None of the mentioned |
| Answer» C. Fine & Coarse | |