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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.

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

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

MODEM is combination of __________ and ____________

MODEM is combination of Modulator and Demodulator.
     

PBX stands for _____________

PBX stands for Private Branch Exchange.
     

Attenuation is expressed in ______________

Attenuation is expressed in Decibel (dB ).
     

Major disadvantage of FSK is its _________

Major disadvantage of FSK is its Required High Bandwidth.
      

The primary advantage of digital communication over analog communication is _________

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

ASCII is _________ bit code.

ASCII is Seven (7) bit code.
      

EBCDIC stands for _______________

EBCDIC stands for Extended Binary Coded Decimal Interchange Code.
      

Define Nyquist theorem.

Nyquist theorem.
      

UART stands for _____________________

UART stands for Universal Asynchronous Receiver Transmitter.
    

Bit rate = ________________

Bit rate = Number of Bits Transfer/Second.

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

Section B :CS-2 5th Sem ECE May 2017 Diploma Solved Paper

What are the advantages of digital communication system?

Advantages of digital communication system
      

Draw and explain the block diagram of data communication system.

Explain the block diagram of data communication system.
      

List the important applications of modern FAX machine.

Important applications of modern FAX machine.
      

Explain CRC in brief.

CRC in brief.
       

What are different transmission modes? Explain.

Different transmission modes
      

What is radio telemetry? Explain.

Radio telemetry
       

Write the features of private automatic branch exchange (PABX).

Features of private automatic branch exchange (PABX).
       

What is modem? Explain its operation in brief.

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

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-cs-2 5th Sem CSE May 2017 Diploma Solved Paper

What is facsimile communication? list down its applications.

Facsimile communication its applications.

With the help of block diagram explain digital exchange.

Block diagram explain digital exchange.

Draw and explain UART

Explain UART.

What is the principle of ASK? Explain its generation and detection.

Principle of ASK? Explain its generation and detection.

Write short note on CRC

Short note on CRC 

Short Note on TDM

TDM 

Write Short Note on Echo suppressors.

Short Note on Echo suppressors.

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