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problem 1)a) With the help of suitable ex, describe the rules which are followed to construct the Huffman code tree for a transmitted character set.

b) Describe the principle of operation of the LZW compression algorithm and how this is dissimilar from the LZ algorithm.

problem 2)a) With the help of suitable ex frame sequences, describe the meaning of the following kinds of compressed frame and the reasons for their use:

i) I-frames
ii) P-frames
iii) B-frames

b) With the help of suitable diagram, describe the operation of a basic DPCM signal encoder and decoder. Also include in your description the source of errors which can arise.

problem 3)a) prepare down the reasons why standards are essential for networked applications involving different computer/ and systems.

b) Describe the working of circuit switched networks.

problem 4) describe different multimedia file formats with their applications.

problem 5)a) What is the meaning of the term “enterprise network”? describe the factors which determine when such networks are created.

b) What does TCP/IP stand for? Describe. Give a correspondence between the layers of OSI reference mode l and those of internet model.

problem 6) Define the meaning, bit-rate and use of the following PSTN high-speed access technologies:

a) IDSL
b) HDSL
c) SDSL
d) ADSL
e) VDSL

problem 7)a) describe in detail different bandwidth and compression issues involved in multimedia communication.

b) describe source encoding.

problem 8) prepare brief notes on:

a) Application support functions.

b) Challenges for encryption and decryption.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M99557

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