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This section includes 11 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. |
Impulse noise can be reduced in _________ |
A. | FM |
B. | AM |
C. | QAM |
D. | PM |
Answer» B. AM | |
2. |
Filter method is the one and only method to produce SSB. |
A. | True |
B. | False |
Answer» C. | |
3. |
In televisions, equalizing pulses are sent during __________ |
A. | horizontal blanking |
B. | vertical blanking |
C. | serrations |
D. | horizontal retrace |
Answer» B. vertical blanking | |
4. |
IMPULSE_NOISE_CAN_BE_REDUCED_IN__________?$ |
A. | FM |
B. | AM |
C. | QAM |
D. | PM |
Answer» B. AM | |
5. |
In_televisions,_equalizing_pulses_are_sent_during___________$ |
A. | horizontal blanking |
B. | vertical blanking |
C. | serrations |
D. | horizontal retrace |
Answer» B. vertical blanking | |
6. |
Filter method is the one and only method to produce SSB? |
A. | True |
B. | False |
Answer» C. | |
7. |
According to Fourier Analysis a square wave can be represented as a fundamental sine wave and even harmonics. |
A. | True |
B. | False |
Answer» C. | |
8. |
What is the direction of rotation of a CD? |
A. | anticlockwise |
B. | clockwise |
C. | either clockwise or anticlockwise depend on data stored |
D. | first anticlockwise and then clockwise |
Answer» B. clockwise | |
9. |
A buffer amplifier is a cathode follower double tuned amplifier. |
A. | True |
B. | False |
Answer» C. | |
10. |
What is the characteristic impedance of a twin wire feeder used in television? |
A. | 1000 ohm |
B. | 100 ohm |
C. | 10 ohm |
D. | 300 ohm |
Answer» E. | |
11. |
It is generally observed that a ship to ship communication suffers from fading. This problem can be avoided by using ________ |
A. | space diversity |
B. | frequency diversity |
C. | directional antenna |
D. | filter |
Answer» C. directional antenna | |