MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A cordless telephone that uses separate frequencies for transmission is known as half duplex. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
VSB modulation is used in televisions because it results in better reception. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
It is only the wavelength that decides the color of an object. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Carrier wave in modulation is a wave that is to be transmitted. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
A_CORDLESS_TELEPHONE_THAT_USES_SEPARATE_FREQUENCIES_FOR_TRANSMISSION_IS_KNOWN_AS_HALF_DUPLEX.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
VSB modulation is used in televisions because it results in better reception? |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Circular polarization is used in discrimination between reception of adjacent beams. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
It is only the wavelength which decides the color of an object. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Carrier wave in modulation is a wave which is to be transmitted. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Advantage of high level modulator is that it requires linear amplifiers. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
A noiseless Gaussian channel has _____________ |
| A. | zero capacity |
| B. | infinite capacity |
| C. | small capacity |
| D. | finite large capacity |
| Answer» C. small capacity | |
| 12. |
Linear devices are used in __________ |
| A. | high level AM modulator |
| B. | low level AM modulator |
| C. | high level FM modulator |
| D. | low level FM modulator |
| Answer» C. high level FM modulator | |
| 13. |
Which theorem states that a noiseless Gaussian channel has zero capacity? |
| A. | Beckman-Quarles theorem |
| B. | Bell’s theorem |
| C. | Cameron-Martin theorem |
| D. | Shannon-Hartley theorem |
| Answer» E. | |
| 14. |
The disadvantage of FM over AM is that high output power is needed. |
| A. | True |
| B. | False |
| Answer» C. | |