Loyola College B.Sc. Computer Science Nov 2010 Introduction To Data Communication Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIFTH SEMESTER – NOVEMBER 2010

CS 5506 – INTRODUCTION TO DATA COMMUNICATION

 

 

 

Date : 03-11-10                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

ANSWER ALL THE QUESTIONS:                                                                      (10 x 2 = 20 marks)

 

  1. Define the term data communication.
  2. Define internetwork.
  3. What is meant by Open system?
  4. Define Amplitude.
  5. What are the types of digital- to-digital encoding?
  6. Compare and contrast Manchester and Differential Manchester encoding.
  7. What are the use of category 3 in Electronic Industries Association?
  8. Define Radio Government ratings(RG).
  9.  Define Channel.
  10. What is meant by inverse multiplexing?

PART – B

 

ANSWER ALL THE QUESTIONS:                                                                             (5 x 8=40 marks)

 

  1. a) Explain the components involved in data communication systems.

(Or)

  1. b) List out the different transmission modes and explain it.

 

  1. a) Explain the difference between bit internal and bit rate.

(Or)

  1. b) Explain the organization of the layers in the OSI model.

 

  1. a) Explain in detail  about the following
  1. Data Terminal Equipment
  2. ii) Data Circuit Terminating Equipment.

(Or)

  1. b) Write a note on EIA 232 standard.

 

  1. a) Write short note on advantages and disadvantages of optical fiber?

(Or)

  1. b) Write a short note on bell modem standards.

 

  1. a) Explain about the Wave-Division Multiplexing.

 

(Or)

 

  1. b) Explain in detail about the single-Bit error correction.

 

 

PART – C

 

ANSWER ANY TWO QUESTIONS:                                                                        (2 X 20 = 40 marks)

 

  1. a) Explain following Network topologies in detail with an example.
  2. i) Bus
  3. ii) Ring

 

  1. b) Explain the three necessary criteria for an effective and efficient network?

 

  1. a) Discuss in detail about the services offered by Session layer and Transport layer.

 

  1. b) Discuss in detail about Analog –to- analog conversion.

 

  1. a) Explain in detail about the frequency division multiplexing.

 

  1. b) Explain any one error correction technique in detail.

 

 

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