DCS 314326 Guessing Paper & IMP Question Bank: Digital Communication Systems

In this article, we share all important questions and the guessing paper of DCS 314326 Digital Communication Systems for the upcoming MSBTE examination.

These questions are important and repetitive in previous MSBTE Digital Communication Systems exam papers.

DCS 314326 Guessing Paper MSBTE Winter 2025 Exam

Solve this paper using the new textbook of the K scheme and previous exam model answer papers.

Q 1: Attempt any FIVE of the following :

1. State sampling theorem. Define Nyquist rate./ Hartley’s law and Shannon Hartley’s theorem
2. State any two advantages of a digital communication system.
3. List different Digital Modulation Techniques.
4. State types/need for multiplexing technique.
5. Define Hamming weight and Hamming distance
6. Define – i) Bit rate ii) Baud rate

Q 2: Attempt any THREE of the following :

1. Draw a block diagram of a digital communication system. State function of the source encoder and channel encoder.
2. Describe slope overload and granular noise in the DM system with a diagram.
3. Draw the block diagram of the DPCM transmitter and describe the role of the predictor in it.

IMP Question Bank: Digital Communication Systems

Unit 1 Digital communication system and coding methods (18 Marks)

2 Marks Questions

1. State advantages & disadvantages of digital communication.
2. State Shannon Hartley’s theorem for channel capacity.
3. Define i)Bit rate ii) Baud rate.
4. Define a) Entropy b)Rate of information.
5. Define Line coding .give classification of line coding.
6. Calculate number of errors detected and corrected if hamming distance is 8.
7. Define a) Hamming weight b) Hamming distance.

Unit 2 PULSE CODE MODULATION TECHNIQUES (16 MARKS)

2 Marks Questions

1. State the sampling theorem and nyquist rate.
2. Define sampling and list its types.
3. Define quantisation and quantisation noise.
4. What is companding ? Draw companding curve.
5. Compare PCM and DPCM.
6. Define aliasing effect with diagram

Conclusion

All new important questions are listed in the above question bank for Digital Communication Systems.

DCS 314326 New Model Answer Papers : Digital Communications Systems