MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 technique needs precise synchronization? |
| A. | TDMA |
| B. | FDMA |
| C. | TDMA & FDMA |
| D. | None of the mentioned |
| Answer» B. FDMA | |
| 2. |
Which is more costlier? |
| A. | TDMA |
| B. | FDMA |
| C. | ALOHA |
| D. | None of the mentioned |
| Answer» B. FDMA | |
| 3. |
In SPADE system, the carrier is done based on |
| A. | Fixed assignment |
| B. | Demand assignment |
| C. | Fixed & Demand assignment |
| D. | None of the mentioned |
| Answer» C. Fixed & Demand assignment | |
| 4. |
WHICH_IS_MORE_COSTLIER??$ |
| A. | TDMA |
| B. | FDMA |
| C. | ALOHA |
| D. | None of the mentioned |
| Answer» B. FDMA | |
| 5. |
Which_technique_needs_precise_synchronization?$ |
| A. | TDMA |
| B. | FDMA |
| C. | TDMA & FDMA |
| D. | None of the mentioned |
| Answer» B. FDMA | |
| 6. |
In SPADE system, the carrier is done based o? |
| A. | Fixed assignment |
| B. | Demand assignment |
| C. | Fixed & Demand assignment |
| D. | None of the mentioned |
| Answer» C. Fixed & Demand assignment | |
| 7. |
SPADE is a |
| A. | MAA system |
| B. | DAMA system |
| C. | MAA & DAMA system |
| D. | None of the mentioned |
| Answer» C. MAA & DAMA system | |
| 8. |
SPADE uses |
| A. | QPSK |
| B. | BPSK |
| C. | FSK |
| D. | MSK |
| Answer» B. BPSK | |
| 9. |
Which method is better when traffic is heavy? |
| A. | SPADE |
| B. | Binary tree search |
| C. | SPADE & Binary tree search |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
TWTA which operates in the linear region |
| A. | Reduces interference |
| B. | Provide less overall power |
| C. | Is power limited |
| D. | All of the mentioned |
| Answer» E. | |
| 11. |
As the number of carriers increases, the number of guard bands |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 12. |
As the number of carriers, the capacity of the transponder |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | None of the mentioned |
| Answer» C. Remains the same | |
| 13. |
INTELSAT II and III operates their TWTA in |
| A. | Saturation region |
| B. | Linear region |
| C. | Hard limiting region |
| D. | None of the mentioned |
| Answer» C. Hard limiting region | |