1. Explain the three step procedure of pulse code modulation for analog to digital conversion with example. (10 Marks) (Dec.2019/Jan.2020 | 17 Scheme)

2. Briefly explain with neat, diagrams. Amplitude shift keying and frequency shift keying modulation techniques. Specify bandwidth requirements. 4 (05 Marks) (Dec.2019/Jan.2020 | 17 Scheme)

3. An analog signal has a bit rate of 8000 bps, and a baud rate of 1000 baud. How many data element are carried by each signal elements? How many signal elements do we need? (05 Marks) (Dec.2019/Jan.2020 | 17 Scheme)

4. Describe about Frequency Division Multiplexing in brief with neat diagram. (05 Marks) (Dec.2019/Jan.2020 | 17 Scheme)

5. What is circuit switching? Enumerate the characteristics of circuit, switching. Analyze the three stages of circuit switching. (10 Marks) (Dec.2019/Jan.2020 | 17 Scheme)

6. Analyze how message can be transmitted from one system to another using datagram network and calculate the total delay in the network. (05 Marks) (Dec.2019/Jan.2020 | 17 Scheme)

7. Explain process-sampling with respect to PCM (Pwse code modulation)? Explain different types of sampling methods. (05 Marks) (Dec.2019/Jan.2020 | 15 Scheme)

8. What is parallel and serial data transmission? Explain the three ways, how the serial transmission is achieved. (05 Marks) (Dec.2019/Jan.2020 | 15 Scheme)

9. An analog signal with bit rate. 6000 bps and baud rate 1000 baud, find how many data elements are carried by each signal element? Also find how many signal elements are required. (06 Marks) (Dec.2019/Jan.2020 | 15 Scheme)

10. Explain the mechanisms for modulating digital data into analog signal (Data). (08 Marks) (Dec.2019/Jan.2020 | 15 Scheme)

11. Define multiplexing and de-multiplexing. With the diagram explain the Frequency Division. (Dec.2019/Jan.2020 | 15 Scheme)

12. Multiplexing (FDM)technique. (08 Marks) (Dec.2019/Jan.2020 | 15 Scheme)

13. Name 3 types of transmission impairment. (08 Marks) (June/July 2019 | 15 Scheme)

14. List the characteristics of virtual circuit networks. (04 Marks) (June/July 2019 | 15 Scheme)

15. Explain: i) Bandwidth ii) Though put iii) Latency. (08 Marks) (June/July 2019 | 15 Scheme)

16. Explain digital to digital conversion. (07 Marks) (June/July 2019 | 15 Scheme)

17. What do you mean by amplitude shift keying. Frequency shift keying and phase shift keying? (06 Marks) (June/July 2019 | 15 Scheme)

18. Write short notes on: i) Shannon capacity and ii) Nyquist theorem is communication. (07 Marks) (June/July 2019 | 15 Scheme)

19. Explain PCM and quantization process with steps. (08 Marks) (Dec.2018/Jan.2019 | 15 Scheme)

20. What is Spread Spectrum? Explain FHSS with suitable diagram. (08 Marks) (Dec.2018/Jan.2019 | 15 Scheme)

21. What is Multiplexing? Define Synchronous TDM, with data rate management strategies. (07 Marks) (Dec.2018/Jan.2019 | 15 Scheme)

22. Compute the following, if the data rate for each input connection is 1 Kbps. If 1 bit at a time is multiplexed, what is the duration of i) Each input slot ii) Each output slot iii) Each frame. (03 Marks) (Dec.2018/Jan.2019 | 15 Scheme)

23. Explain how message can be sent from one system to another using datagram approach and calculate the total delay with appropriate diagram. . (06 Marks) (Dec.2018/Jan.2019 | 15 Scheme)

24. List out the types of transmission modes. Explain the steps of pulse code modulation process, with an example. (08 Marks) (June/July 2018 | 15 Scheme)

25. Explain FSK and QAM modulation process, with suitable example. (08 Marks) (June/July 2018 | 15 Scheme)

26. Define Multiplexing. Explain synchronous TDM with data rate management and its limitations. (10 Marks) (June/July 2018 | 15 Scheme)

27. List out three phases of circuit - switched network. Explain Data gram - switched network. (06 Marks) (June/July 2018 | 15 Scheme)

28. Explain with suitable diagram PCM encoder used for analog to digital conversion with example. (08 Marks) (Dec.2017/Jan.2018 | 15 Scheme)

29. Define multiplexing. State and explain the data rate management to handle disparity in input data rates in TDM. (05 Marks) (Dec.2017/Jan.2018 | 15 Scheme)

30. Four 1 Kbps connections are multiplexed together. A unit is 1 bit. Find: i) Duration of 1 bit before multiplexing. ii) Transmission rate of link. iii) Duration of each time slot. (03 Marks) (Dec.2017/Jan.2018 | 15 Scheme)

31. Briefly explain with neat diagrams, ASK and FSK modulation techniques and specify the a5 bandwidth requirement. (06 Marks) (Dec.2017/Jan.2018 | 15 Scheme)

32. We need to send data 3 bits at a time at a bit rate of 3 Mbps. The carrier frequency is 10 MHz. Calculate the number of levels (different frequencies, band rate and band width). o< (64 Marks) (Dec.2017/Jan.2018 | 15 Scheme)

33. Explain how message can be sent from one system to another using datagram approach and calculate the total delay with appropriate diagrams. (06 Marks) (Dec.2017/Jan.2018 | 15 Scheme)

34. Explain PCM and quantization process with steps and example. (08 Marks) (June/July 2017 | 15 Scheme)

35. Explain amplitude shift keying modulation process. (04 Marks) (June/July 2017 | 15 Scheme)

36. Find out bit rate if available bandwidth is 100 kHz which spans from 200 to 300 kHz. Consider ASK with d= 1, r= 1. (04 Marks) (June/July 2017 | 15 Scheme)

37. What is multiplexing? define synchronous TDM with data rate management strategies. (08 Marks) (June/July 2017 | 15 Scheme)

38. What is spread spectrum? Explain FHSS and bandwidth sharing. (08 Marks) (June/July 2017 | 15 Scheme)