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Advanced Communication, Digital Communication Viva Question-Answer for 6th Sem



Q1. What is multiplexing?

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Q2. What are different types of multiplexing?

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Q3. What is TDM?
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Q4. What do you mean by FDM?
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Q5. What is Amplitude shift Keying (ASK) ?
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Q6. What are different types of digital modulation?
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Q7. What is Phase shift keying ( PSK)?
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Q8. What is Frequency shift keying (FSK) ?
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Q9. What is Binary Phase shift Keying (BPSK) ?
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Q10. What is bandwidth of BPSK signal?
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Q11. What do you mean by Differential Phase Shift Keying (DPSK)?
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Q12. What is Bandwidth of DPSK?
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Q13. Show the phase change in DPSK at the digital input 10111101.

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Q14. What is QPSK?
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Q15. Why JK flip-flop is being used in this type if Keying?
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Q16. What are the advantages over other types of keying?
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Q17. What is a GUNN DIODE?
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Q18. How would you find the propagation loss for two different known length and voltage of optical fiber.

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Q19. What is the used formula to find out the bending loss for an optical fiber?

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to get all qustions and ansewrs http://citystudentsgroup2011/05/advanced-communication-digital.html