TILAK MAHARASHTRA VIDYAPEETH

 

QUESTION BANK OF COMPUTER NETWORK COMMUNICATION

 

THIRD YEAR DIPLOMA SEMESTER - I

 

 

Question Bank

 

 

Question for 2 Marks

  1. What is Flip Flop?
  2. What is Multiplexer?
  3. What is Encoder?
  4. What is Decoders?
  5. What is Counter?
  6. What is instruction sequencing?
  7. What is instruction interpretation?
  8. What is Network?
  9. What is Protocols?
  10. What is MODEM?
  11. What is Modulation?
  12. What is Demodulation?

 

Question for 4 Marks

  1. Explain AND and OR Gate with truth table.
  2. Explain NAND and NOR gate with truth table.
  3. Explain JK Flip Flop.
  4. Explain D Flip Flop.
  5. What is Array logic?
  6. Explain arithmetic processors.
  7. Explain instruction sequencing.
  8. Explain instruction interpretation.
  9. What is control memory?
  10. Explain the importance of semiconductor RAM’s.
  11.  Explain in Brief about Magnetic disks.
  12. Explain in Brief about Magnetic tapes.
  13. Explain in Brief about Bubble memory.
  14. Explain the concept of Memory hierarchy.
  15. Explain the concept of Locality reference.
  16. What are the advantages of Peer to Peer network?
  17. What are the advantages of Client server network?
  18. What are the features of network?
  19. What is WAN?

 

Question for 6 Marks

  1. Describe Shift Register.
  2. Explain floating point arithmetic.
  3. Explain the concept of Pipeline processing.
  4. Describe hardwired control.
  5. Explain any three characteristics of memory device.
  6. Explain RAM organization.
  7. Distinguish between RAM and SAM.
  8. Explain, How the recording mechanism works?
  9. Explain, What is Paging?
  10. Explain any three features of Network?

 

 Question for 8 Marks

  1. Explain Basic CPU organization.
  2. What is the need of instruction sets and Write their formats and types.
  3. Describe basic ALU organization.
  4. Explain Multiplier control unit.
  5. Explain CPU control unit.
  6. Why there is a need of Memory allocation? What are its types?
  7. Discuss Cache’s and associative cache.
  8. Differentiate between Peer-to-Peer Network and Client server.
  9. Write a short note on Network layers.

 

QUESTION BANK OF MICROPROCESSOR & Programming

 

THIRD YEAR DIPLOMA SEMESTER – I

 

                BRANCH –  E & TC /COMP

 

 

Marks: 100                                                                                                      Duration: 3hrs

 

Questions For 2 marks:

 

 Define the following

 

1)      Instruction cycle,

2)      Machine cycle

3)      T state

4)      Program  counter

5)      Stack pointer

6)      Hardware

7)      CPU

8)      Program Memory

9)      Data memory

10)  Stack Memory

11)  Main memory

12)  System software

13)  User software

14)  Bit

15)  Nibble

16)  Byte

17)  Power consumption

18)  I/O unit

19)  System bus

20)  wordlength

 

 

Questions For 4 marks

 

Explain the following instructions( Related To 8085)

 

 

1)      MVI A,30H

2)      JNZ 2050

3)      ADD B

4)      IN 40H

5)      PUSH B

6)      RET

7)      ANI data

8)      CALL 2050

9)      JC C000

10)  SUI 20

11)  POP D

12)  CMA

 

    

    Explain the functions of the following pins of 8085 microprocessor

1.      RESET OUT

2.      SID

3.      SOD

4.      READY 

5.      HOLD

6.      CLOCK OUT

 

7.           __

           IO/M 

 

 

 

 

 

 

1.      Why data bus & address bus of 8085 microprocessor are multiplexed?

2.      What is use of ALE signal?

3.      Explain importance of accumulator in 8085

4.      Explain use of RD & WR signals.

5.      Explain general-purpose register used by 8085.

6.      What is stack memory? Explain the role of stack pointer.

7.      Explain the use of address bus.

8.      What is necessity to have two status S1 & S0in 8085

9.      What is an interrupt? Give the classification of interrupt

10.  What is use of SID & SOD pins in 8085?

11.  What is mean by Maskable interrupt & Nonmaskable interrupt?

12.  List five Hardware interrupts & eight software interrupts in 8085

13.  Differentiate between Software interrupt & Hardware Interrupt

14.  List applications of Microprocessor

15.  Write note on buses.

 

 

 

 

Questions For 6 marks:

 

With the help of one example explain the following instruction of 8085

1)      LHLD   addr

2)      ADD  M

3)      STA  addr

4)      LDA  addr

5)      STAX  addr

6)      SBB  r

7)      IN  addr

8)      OUT  addr

9)      SHLD

10)  RLC

11)  RAL

12)  ADC r

13)  ADI data

14)  ORA R

15)  XRA R

 

 

 

Write a short note on

1.      Machine Cycle

2.      STACK.

3.      BSR mode in 8255

4.      Write the features of 8085.

5.      What is the function performed by programme counter & stack pointer?

6.      What is subroutine? How is it useful?

7.      Explain the use of stack in CALL & RETURN instructions.

8.      Differentiate I/O/ mapped I/O & Memory mapped I/O

9.      Give the fix format of RIM & SIM instructions of 8085 microprocessor

10.  Explain with neat diagram how DAC system works.

11.  Explain with one example one byte instruction

12.  Explain with one example two byte instruction

13.  Explain with one example three byte instruction

 

 

 

Questions For 8 marks:

 

1.      State & explain architecture of microprocessor with suitable block diagram.

2.      Explain fetching, decoding & execution operations of microprocessor.

3.      Explain different control signals used by 8085.                              

4.      Explain addressing modes of 8085.

5.      Explain PUSH & POP instructions with example.

6.      Explain the timing diagram for OPCODE fetch .

7.      Design 8K byte of EPROM  USING 2k Chips & 4 Kbytes RAM  using 1K chips to 8085

8.      Describe the various modes of operation of 8255.

9.      Draw & explain block diagram of 8255 PI.

10.  Write a program to find out the highest number.

11.  Write a program to calculate the sum of series of numbers.

12.  Write program for addition of two 8 bit nos.

13.  Write program for addition of two 16 bit nos.

14.  Write program for addition of two 8 bit BCD nos.

15.  Write program for subtraction of two 8 bit nos.

16.  Draw pin diagram of 8085

17.  List the status signals & give fuctions of each .

18.  List the control signals & give fuctions of each .

19.  List the clock signals & give fuctions of each .

20.  List the reset signals & give fuctions of each .

21.  List the DMA signals & give fuctions of each .

22.  List the interrupt signals & give fuctions of each .

 

Questions For 12 marks:

1.      Give format of Flag register in 8085. Explain each flag.

2.      Explain five major groups of instructions in the 8085 instruction set.

3.      List & explain any five arithmetic instructions with one example each.

4.      Draw & explain interrupt structure of 8085 microprocessor

5.      Draw & explain architecture of 8085microprocessor with block diagram.

6.      Draw & explain the block diagram of 8155.

 

 

 

 

 

 

QUESTION BANK OF TELECOMMUNICATION ENGINEERING

 

                 THIRD YEAR DIPLOMA SEMESTER – I

 

                   BRANCH –E & TC (C5)

 

 

 

 

 

Questions For 2 Marks:

 

      Define the following:

  1. AM
  2. FM
  3. PM                                         
  4. Antenna
  5. Brightness
  6. Contrast
  7. Luminance
  8. Hue
  9. Saturation
  10. Aspect ratio
  11. Pixel
  12. Picture frame
  13. Pedestal height
  14. scanning
  15. Active lines
  16. Persistance of vision
  17. Vertical Resolution
  18. Wavelength
  19. footprint
  20. altitude
  21. angles
  22. polar orbit

                                         

 

 

 

 

 

 

Questions For 4 Marks:

 

1.      Differentiate between A.M & F.M

2.      What are the waveguides?

3.      Name the various frequencies used for communication.

4.      What is satellite What are different types of satellite

5.      Explain the Scanning mechanism

6.      What is Persistence of the vision?

7.      What is positive modulation & negative modulation

8.      What is the ideal value of viewing distance in terms of height of TV?

9.      What are ranges of BAND I and BAND III?

10.  What is range of VHF band and UHF band?

11.  Write a note on Ghost Images

12.  Name the modulation used for audio & video signal. Why?

13.  List the properties of TV transmitter

14.  What is back porch & front porch.

15.  What are three standard colour system.

16.  What is nessasity of compatibility

17.  Describe pesistance of vision

18.  What is flicker effect in TV.

19.  State applications of Klystron

20.  What is magnetron

21.  State applications of magnetron

22.  State various bands used for mobile communication

23.  What is uplink & downlink

24.  Give application of satellite.

 

Questions For 6 Marks:

1.      Explain the concept of rectangular waveguide.

2.      Why TEM waves cannot propagate through a rectangular waveguide?

3.      Explain resolution. What is vertical & horizontal resolution?

4.      Explain how limitations of grided tubes are overcome.

5.      What is transit time effect. Explain  its significance.

6.      Explain E plane T & H plane T

7.      Explain the concept of circular waveguide.

8.      How waveguide coupling is achieved

9.      Compare circular waveguide & rectangular waveguide.

10.  What is function of circulator.

11.  What is hand-off ?

12.  What is frequency reuse channel.

13.  What is earthstation. Explain its function

14.  What are limitations of mobile communication

15.  Write note on mobile originated call.

16.  What is call processing.

 

 

Questions For 8 Marks:

 

  1. Explain with schematic diagram operation reflex klystron
  2. Sketch a Gunn diode construction, and describe it briefly.
  3. Write a note on – PIN diode
  4. Explain TE & TM mode.

Write short notes on

  1. Pre-Emphasis
  2. De-Emphasis.
  3. State the advantages and disadvantages of Negative Modulation
  4. Explain the Interlaced Scanning Mechanism in Monochrome T.V
  5. Draw & explain colour TV transmitter
  6. Explain additive mixing?
  7. List CCIR-B standards for monochrome TV.
  8. List CCIR-B standards for colour TV.
  9. Draw composite video waveform, which indicates video signal, black level & blacker than black level.
  10. What is Grassman’s law? Explain how the three primary colour combine to form white. What determines the ratio of red, green and blue?
  11. Name various frequencies used for communication. Draw frequency spectrum.
  12. Explain working principal of magnetron.
  13. Draw & Explain block diagram of ground or earth station 
  14. Draw & Explain block diagram of cellular phone system
  15. Explain the delayed hand-off method
  16. Explain the queing of hand-off method
  17. List the factors which improves frequency spectrum utilization
  18. Draw & Explain basic block diagram of satellite communication system
  19. What is transponder Explain its working.

 

 

 

Questions For 16 Marks:

 

1.      Explain block diagram of Monochrome (B/W) TV transmitter

2.      Explain block diagram of Colour TV transmitter

 

 

QUESTION BANK OF NETWORK THEORY AND CIRCUIT ANALYSIS

 

                   THIRD YEAR DIPLOMA SEMESTER – I

 

                                         BRANCH – Elect / E&TC (C5)       

 

Questions for 2 marks

 

1)                  Define Signal

2)                  Define Paths

3)                  Define Tree

4)                  Define Graph

5)                  Define Cotree

6)                  Define Cutset

7)                  Explain Complex Frequency

8)                  Define Step Signal

9)                  Define Unit Step function

10)              Define Periodic signal

11)              Define Non-periodic signal

12)              Define Impulse Function

13)              Define Laplace Transform

14)              Define Inverse Laplace Transform

15)              Explain the term Admittance

16)              Explain Current ratio transfer function

17)              Define Planer graph

18)              Name the 3 passive elements.

19)              What do you understand by Hurwitz polynomial?

20)              Draw general circuit diagram of two port network with two terminals on each port.

21)              Define Reciprocity condition for two port network

22)              Define Symmetry condition for two port network

23)              Explain Cutset Matrix (Qa)

24)              Give the properties of RC network

25)              Give the properties of LC network

 

Questions for 4 marks

1)                  Give the properties of impulse function

2)                  Give the properties of Hurwitz Polynomials

3)                  Test Hurwitz nature of the polynomial

F(s) = s4 + 5s3 + 11 s2 +25s + 6

4)                  Write a short note on Cutset and cutest matrix

5)                  Give the properties of LC impedance function.

6)                  Give the properties of Transfer function

 

 

Questions for 6 marks

1)      Find out the Laplace transform of unit step function. The unit function is given as,

U(t)  = 1   for  t≥0

        =  0   otherwise

 

2)      Find Laplace transform of  f (t-t0)

3)      Determine the Laplace transform of periodic, rectified half wave sine wave as shown below

 

     f(t)

 

 

      A

 

                                                                                                            t

   0                      T/2         T              3T/2        2T

 

4)           Find out the Laplace transform of the square wave shown below

 

 

 

 


        t

                  a         2a              3a        4a

      0                                         

 

 

 

 

 

 

5)       Draw the graph of the network of figure given below

 

                                   3H

                A                                              B                        C               

     •                         

 

 


Oval: + -             M = 1/2H

 V                                          1H                       1Ω

 

 

 


              D          

                                         E                         F

 

 

 

6)      Give the properties of LC impedance function

7)    &nb