Advance Communication System MCQ Questions and Answers
1. Which of the following radio wave is reflected back to Earth from the ionosphere ?
Answer : A
2. Which of the following wave propagates in the frequency range of 30MHz to 300MHz?
Answer : B
3. Which of the following statement is correct for ground wave propagation ?
Answer : A
4. Which of the following is lower sideband signal in Amplitude modulation?
Answer : A
5. Which of the following broadcast is operated in frequency band of 88 MHz to 108 MHz ?
Answer : B
Advance Communication System MCQ
6. In Which of the following modulation technique, modulation index depends on frequency of message signal ?
Answer : B
7. Which of the following noise is generated by automobile, electic motors and switching equipment ?
Answer : C
8. Which of the following statements is correct ?
Answer : A
9. Which of the following statement is correct for cellular mobile communication ?
Answer : D
10. In hard hand off, a mobile station communicates with
Answer : A
Advance Communication System MCQ
11. Which of the following is the first satellite launched by INDIA ?
Answer : A
12. Which of the following statement is correct for LEO satellite ?
Answer : C
13. Which of the following statement is correct for optical fiber cable ?
Answer : A
14. Which of the following loss occurs when two optical fibers are joined together to make a longer optical fiber ?
Answer : A
15. Which of the following device connects transmitter or receiver to the antenna alternately ?
Answer : C
Advance Communication System MCQ
16. In which of the following RADAR is use ?
Answer : D
17. Which of the following statement is correct for MTI RADAR ?
Answer : A
18. If P(Xi)=1/8, then amount of information I(Xi)
Answer : A
19. Which of the following is one way communication system ?
Answer : C
20. Which of the following factor limits the channel capacity C?
Answer : C
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