advanced communication lab 6th sem viva questions and answers vtu
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jagadamba
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Advanced Communication, Digital Communication Viva Question-Answer for 6th Sem



Q1. What is multiplexing?

ANSWER
Q2. What are different types of multiplexing?

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

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

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

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