Communication System–II CS-2 ECE-5th/May 2018 Diploma Paper

Download Previous Year Diploma Paper of Communication System-II CS-2 5th Semester ECE May 2018 Diploma Solved PaperCommunication System-2 5th Semester

Download Previous Year Diploma Paper of Communication System-II CS-2 5th Semester ECE May 2018 Diploma Solved Paper

Communication System-2 5th Semester ECE May 2018 Diploma Paper

                                      SECTION-A

Q1. a) Fill in the Blanks.                                             10×1.5=15

    a. LRC stands for Longitudinal Redundancy Check
    b. ASCII stands for American Standard Code for Information Interchange.
    c. Information can be defined in two forms Digital or analog
     d. In TDM frame is divided into Slots.
     e. Space division switching requires too many Switches.
     f. In communication technology, equalizer is used to compensate for signal loss over long distances.
      g. PSK stands for Phase Shift Keying.
       h. IC 8251 is a USART Universal Synchronous Asynchronous Receiver Transmitter.
       i. A full-duplex modem will allow simultaneous transmission in both the directions.
        j. Generally, the medium for FAX communication is Telephonic.

                                      SECTION-B

Q2. Attempt any five questions.                                                                    5×6=30

      i. Discuss the advantages and disadvantages of digital communication system.
      ii. What is Parity? Explain how it detects error.
     iii. Compare synchronous and asynchronous transmission.
     iv. What is principle of Amplitude Shift keying? How is it generated?
       v. Explain the features of modern fax machines.
      vi. What is radio telemetry? What are its applications?
     vii. List down the various types of Modem and briefly explain them

                                     SECTION-C

Q3. Attempt any three questions.                                                       3×10=30

       a. With help of neat Diagram explain coherent Binary FSK transmitter and receiver
       b. Explain the USART in detail with diagram
       c. Explain Stored program control processor and its application in electronic exchange
       d. Write short notes on (any two)
            i. Echo suppressors
            ii. CRC
            iii. Hamming code
      e. Explain the following terms (any two)
             i. Equalizers
             ii. Distortion
            iii. Space division switches

LRC stands for Longitudinal Redundancy Check
    

ASCII stands for American Standard Code for Information Interchange.
    

Information can be defined in two forms Digital or analog
     

In TDM frame is divided into Slots.
     

Space division switching requires too many Switches.
     

In communication technology, equalizer is used to compensate for signal loss over long distances.
      

PSK stands for Phase Shift Keying.
      

IC 8251 is a USART Universal Synchronous Asynchronous Receiver Transmitter.
      

A full-duplex modem will allow simultaneous transmission in both the directions.
        

Generally, the medium for FAX communication is Telephonic.

CS-2 5th Semester ECE May 2018 Diploma Solved Paper Click Here

Advantages and disadvantages of digital communication system.
     

Parity and how it detects error.
     

Compare synchronous and asynchronous transmission.
     

Principle of Amplitude Shift keying
       

Explain the features of modern fax machines.
      

Radio telemetry and its applications?

CS-2 5th Semester ECE May 2018 Diploma Solved Paper Click Here

CS-2 5th Semester ECE May 2018 Diploma Solved Paper

Explain coherent Binary FSK transmitter and receiver
       

USART in detail with diagram
       

Stored program control processor and its application in electronic exchange
      

Echo suppressors
           

CRC
            

Hamming code
      

Equalizers
            

Distortion
            iii. Space division switches

Space division switches

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