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Communication System–II CS-2 ECE-5th/May 2017 Diploma Paper

Download Previous Year Diploma Paper of Communication System-II CS-2 5th Semester ECE May 2017 Diploma Solved Paper

Communication System-2 5th Semester ECE May 2017 Diploma Paper

                                    SECTION-A

Q1. a) Fill in the Blanks.                                             15×1=15    

     a. MODEM is combination of Modulator and Demodulator.
     b. PBX stands for Private Branch Exchange.
     c. Attenuation is expressed in Decibel (dB ).
     d. Major disadvantage of FSK is its Required High Bandwidth.
      e. The primary advantage of digital communication over analog communication is Noise Immunity.
      f. ASCII is Seven (7) bit code.
      g. EBCDIC stands for Extended Binary Coded Decimal Interchange Code.
      h. Define Nyquist theorem.
      i. UART stands for Universal Asynchronous Receiver Transmitter.
      j. Bit rate = Number of Bits Transfer/Second.

                                  SECTION-B

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

      i. What are the advantages of digital communication system?
      ii. Draw and explain the block diagram of data communication system.
      iii. List the important applications of modern FAX machine.
      iv. Explain CRC in brief.
       v. What are different transmission modes? Explain.
       vi. What is radio telemetry? Explain.
       vii. Write the features of private automatic branch exchange (PABX).
       viii. What is modem? Explain its operation in brief.

                                   SECTION-C

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

      i. What is facsimile communication? list down its applications.
     ii. With the help of block diagram explain digital exchange.
     iii. Draw and explain UART.
     iv. What is the principle of ASK? Explain its generation and detection.
      v. Write short note on any two:
          (a) CRC (b) TDM (c) Echo suppressors.

MODEM is combination of Modulator and Demodulator.
     

PBX stands for Private Branch Exchange.
     

Attenuation is expressed in Decibel (dB ).
     

Major disadvantage of FSK is its Required High Bandwidth.
      

The primary advantage of digital communication over analog communication is Noise Immunity.
      

ASCII is Seven (7) bit code.
      

EBCDIC stands for Extended Binary Coded Decimal Interchange Code.
      

Nyquist theorem.
      

UART stands for Universal Asynchronous Receiver Transmitter.
    

Bit rate = Number of Bits Transfer/Second.

Related Post
CS-2 5th Semester ECE May 2017 Diploma Solved Paper Click Here

Advantages of digital communication system
      

Explain the block diagram of data communication system.
      

Important applications of modern FAX machine.
      

CRC in brief.
       

Different transmission modes
      

Radio telemetry
       

Features of private automatic branch exchange (PABX).
       

Modem its operation in brief.

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

CS-2 5Th Semester ECE May 2017 Diploma Solved Paper

Facsimile communication its applications.

Block diagram explain digital exchange.

Explain UART.

Principle of ASK? Explain its generation and detection.

Short note on CRC 

Short Note on Echo suppressors.

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