plz provide importent viva questions in digital communication lab

thank u and plz try to provide fast these are more benfit to the engineering communication students i hope u will send reply post soon as per my request

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thank you so much for thinking about my request

Q1. What is multiplexing?
Q2. What different types of multiplexing?
Q3. What is TDM?
Q4. What do you mean by FDM?
Q5. What is amplitude shift keying (ASK)?
Q6. What are the different types of digital modulation?
Q7. What is phase shift keying (PSK)?
Q8. What is a frequency shift keying (FSK)?
Q9. What is binary phase shift keying (BPSK)?
Q10. What is the bandwidth of BPSK signal?
Q11. What do you mean by differential phase shift keying (FMD)?
Q12. What is the throughput of DPSK?
Q13. Show the phase changes in the input 10111101 DPSK.
Q14. What is the QPSK?
Q15. Why the JK flip-flop is used if this type of manipulation?
Q16. What are the advantages over other types of manipulation?
Q17. What is a Gunn diode?
Q18. How would you find the loss distribution of two different known length and voltage optical fiber.
Q19. What is the formula used to determine the optical fiber bending loss?