Advance Communication System MCQ Questions and Answers
1. In Sky wave propagtion, propagated waves are refracted from ______
Answer : B
2. Which of the following is line of sight distance, if height of transmitting and receiving antennas are 64 meter each. Consider earth is flat
Answer : B
3. Which of the following is non-linear modulation technique
Answer : B
4. Which of the following is example of external noise
Answer : D
5. Shot noise is produced in ______
Answer : A
Advance Communication System MCQ
6. Noise figure is always ______ one
Answer : A
7. Satellites operate in the frequency range of
Answer : B
8. Transponder is used to ______
Answer : C
9. Which of the following fiber is more resistant to micro-bending loss
Answer : C
10. Which of the following is part of optical fiber
Answer : D
Advance Communication System MCQ
11. PIN diode can be used as ______
Answer : A
12. Frequency range of X-band radar is ______
Answer : A
13. If PT power is fed to an isotropic antenna, then power radiated
Answer : D
14. Which of the following is part of MTI radar
Answer : C
15. Probabilities of symbols x and y are P(x) and P(y) respectively. Information contents of symbols x and y are I(x) and I(y). Which of the following inequality is correct –
Answer : C
Advance Communication System MCQ
16. Bit/symbol is unit of ______
Answer : A
17. [P(y/x)]=[[1-P P],[P, 1-P]] is the channel matrix of ______
Answer : D
18. Which of the following provides two-way communication
Answer : A
19. Which of the following is part of facsimile system
Answer : D
20. Modems are used for ______
Answer : B
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