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Communication System–II CS-2 ECE-5th/May 2019 Diploma Paper

Download Previous Year Diploma Paper of Communication System-II CS-2 5th Semester ECE May 2019 Diploma Solved Paper

Communication System-2 5th Semester ECE May 2019 Diploma Paper

                                      SECTION-A

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

    a. IC16450 is a UART (Universal Asynchronous Receiver/Transmitter).
    b. PBX Stands for Private Branch Exchange.
    c. ICW Stands for _____
    d. A Protocol is a set of rules that governs data communication.
    e. In TDM, frame is divided into Time Slots.
    f. The main practical problem of FDM is the Crosstalk between channels.
    g. In Asynchronous Serial transmission the start and stop bits are also transmitted.
    h. Crosstalk is the interference of signal in adjacent channel.
     i. ASCII stands for American Standard Code for Information Interchange.
     j. OOK stands for On-Off Keying.

                                      SECTION-B

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

     i. What is the difference between7 bit ASCII and EBCDIC code?
     ii. Explain the pin out of RS232 interface.
     iii. Write short note on the following.
         a) Space division multiplexing
         b) Message switching
    iv. What do you understand  by PBX?
     v. Explain the synchronous and asynchronous transmission.
     vi. With the help of block diagram, explain telemetry system.
     vii. Explain the basic need and function of modem. With the help of diagram, explain modem architecture

                                     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 2019 Diploma Solved Paper

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Section a CS-2 5Th Semester ECE May 2019 Diploma Solved Paper

IC16450 is a _________________

IC16450 is a UART (Universal Asynchronous Receiver/Transmitter).
    

PBX stands for _____________

PBX stands for Private Branch Exchange.
     

ICW Stands for _____

ICW Stands for _____
    

A ______ is a set of rules that governs data communication.

A Protocol is a set of rules that governs data communication.
    

In TDM, frame is divided into ____________

In TDM, frame is divided into Time Slots.
    

The main practical problem of FDM is the _______ between channels.

The main practical problem of FDM is the Crosstalk between channels.
    

In ____________ transmission the start and stop bits are also transmitted.

In Asynchronous Serial transmission the start and stop bits are also transmitted.
    

Crosstalk is the __________ of signal in adjacent channel.

Crosstalk is the interference of signal in adjacent channel.
     

ASCII stands for ______________

ASCII stands for American Standard Code for Information Interchange.
    

OOK stands for _________________

OOK stands for On-Off Keying.

CS-2 5th Semester ECE May 2019 Diploma Solved Paper Click Here

Section B :CS-2 5th Sem ECE May 2019 Diploma Solved Paper

What is the difference between7 bit ASCII and EBCDIC code?

Difference between7 bit ASCII and EBCDIC code
     

Explain the pin out of RS232 interface.

Pin out of RS232 interface.
     

Write short note on the following. a) Space division multiplexing

a) Space division multiplexing
         

b) Message switching

Message switching
    

What do you understand  by PBX?

PBX
     

Explain the synchronous and asynchronous transmission.

Synchronous and asynchronous transmission.
     

With the help of block diagram, explain telemetry system.

Explain telemetry system.
    

Explain the basic need and function of modem. With the help of diagram, explain modem architecture

Basic need and function of modem 

CS-2 5th Semester ECE May 2019 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 2019 Diploma Solved Paper

What do you mean by FAX? Describe its applications.

FAX its applications.

Draw and explain block diagram of USART.

Explain block diagram of USART.

Write Short note on PSTN hierarchy.

Short note on PSTN hierarchy.

Write Short note on the following. a. Echo suppressors.

a. Echo suppressors.

short note on b. Echo cancellers.

b. Echo cancellers.

Explain the types of communication channels.

Types of communication channels.

What do you understand by crosstalk ?

crosstalk 

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