DCE Mumbai University Notes

I am doing B.Tech from the University of Mumbai. I want some notes of Data Compression and Encryption (DCE) Subject of B.Tech for preparation for Semester End Exams. So is there any website where I will get important notes of Data Compression and Encryption (DCE) Subject? Can I get these notes from the Faculty of Mumbai University?

Hello sir I am student of engineering course of Mumbai University and now I required notes of Data Compression and Encryption (DCE) for best preparation of exam so please provide me same.

[Raman Vij]

As you asked me to provide notes of DCE Subject but I am unable to provide this so here I am attaching previous year’s papers and syllabus of this subject.

Question papers of DCE Exam

1. (a) What are the different measures of performance of data compression techniques ?
(b) Discuss the application of JPEG 2000.
(c) Compare public and private key crypto-system.
(d) What is secure electronic payment system?

2. (a) A source and its letter form an alphabet A = {a, b, c, d, e} with probabilities
P = {0.15, 0.05, 0.25, 0.35, 0.2} respectively. Calculate :-
(i) Standard Huffman code
(ii) Minimum variance Huffman code
(iii) Average length and redundancy of both codes
(iv) Draw the binary code tree for both the codes.
(b) Explain the working of DES with block diagram.

3. (a) What are dictionary based compression schemes? Explain LZ77 with suitable examples.
(b) What are various aspects of conventional encryption? Discuss the types of attacks.

4. (a) How are differential encoding schemes used in audio compression?
(b) Explain Chinese remainder theorem with an example.

5. (a) Describe various approaches for Image Compression and discuss one of them in detail.
(b) Explain Hash and MAC algorithm used for authenication. 10

6. (a) Describe the features of Video Compression as compared to Image Compression. Explain MPEG industry standard for video compression.
(b) Explain Digital Immune System.

7. Write short notes on any two :-
(a) Firewall design
(b) Elliptic curve cryptography
(c) MPEG audio standard
(d) Two dimensional image transform.

Syllabus of DCE of Mumbai University