DECS (DIGITAL ELECTRONICS AND COMMUNICATION SYSTEMS) : II -MID QUESTIONS






CMOS ANALOG & DIGITAL IC DESIGN

SET -1:
  1. Draw and explain the operation of DRAM Cell and also explain the refresh operation
  2. Explain about MOS switch MOS diode MOS active resistors
  3. Draw and explain the various differential amplifiers with necessary o/p equations
  4. Design of two-stage op-amp with relevant expression

SET-2:
  1. Draw and explain SRAM cell operation and also draw the timing diagrams.
  2. Explain about current sinking and current sourcing devices with neat sketch.
  3. Draw and explain high gain amplifier architecture
  4. Draw and explain cascade op-amps.

SET-3:
  1. Explain about Flash memories and also draw NOR flash and NAND flash.
  2. Write about cascade current mirror and Wilson current mirror.
  3. Explain about measurement techniques of ap-amp
  4. Explain about band gap reference
SET-4:
  1. Explain about cascade amplifiers and current amplifiers
  2. Explain about RAM array organization
  3. Design CMOS op-amps with suitable examples
  4. Explain about current and voltage references in analog CMOS sub-circuits.
Coding Theory & Applications  (DECS) 
SET-1:1.       Explain viterbi decoding algorithm for convolution codes & Applications
2.       Explain the decoding of burst-error correcting convolution codes
3.       Define BCH code, how do we calculate the minimum distance in BCH codes
4.       Explain iterative algorithm for BCH codes

  SET-2:
1.       Explain the application of convolution codes in ARQ system
2.       Explain the application of sequential decoding
3.       How do we calculate the syndrome in BCH coding
4.       Explain decoding procedure for BCH codes

     SET-3:

1.       Define a burst period. Explain the decoding of single burst error correcting cyclic codes
2.       Briefly explain majority logic decoding of convolution codes
3.       How BCM code errors are corrected. Explain single error correction method.
4.       Explain the bounds on burst error-correcting capability

   SET-4 :

1.       Explain single burst error correcting cyclic codes
2.       Explain how sequential decoding is done
3.       How BCH code errors are corrected. Explain double error correction method
4.       Explain phase-burst error correcting cyclic & convolution codes 

DSP PROCESSORS AND ARCHITECTURE  
SET-1

1.       Explain the addressing mode of TMS320 C54xx DSPs.
2.       Implement 8-point FFT on the TMS320C54xx
3.       Discuss about memory interface
4.       Write short notes on 2-D signal processing

SET-2

     1.       Explain the data addressing modes of TMS320C54xx
    2.       Explain the bit-reversed  index generation
    3.       Write about parallel I/O interface
     4.       14.Write short notes on PID controller adaptive filters

SET-3
     1.       Discuss the instruction set of of TMS320C54xx
     2.       Discuss interpolation  filters
3.       Explain a multichannel buffered serial port (McBSP)
4.       Discuss about memory interface

SET-4
1.       Discuss the interrupts of TMS320C54xx processor
2.       Discuss decimation filters
3.       Explain the CODEC interface with example
4.       Explain the data addressing modes of TMS320C54xx

     EMBEDDED REAL TIME OPERATING SYSTEMS (DECS) 

SET-1
1.      Explain the case study of coding for sending application layer byte streams on TCP/IP network. [10]
2.      Explain the concepts of off-the-shelf operating systems and operating systems software.[10]
3.      What is binary semaphore? With an example explain how to use binary semaphores for signaling or notifying occurrences of an event from a task or thread and for signaling or notifying another task waiting for that event.[10]
4.      Explain with neat diagram the digital camera hardware and software architecture. [10]

SET-2


1.      Explain the embedded system for an adaptive cruise control(ACC) system in car with necessary diagrams. [10]
2.      Write at least 5 functions of the system programming. [10]
3.      Write a program to display a message periodically. [10]
4.      Explain the case study of appliance control by RT Linux. [10]

SET-3

1.      Illustrate the block diagram of Automatic Chocolate Vending Machine System (ACVM). [10]
2.      Write few of the commands of LINUX programming. [10]
3.      How to port RTOS on a microcontroller based development board.  [10]
4.       What is meant by core RT Linux and explain it with API’s. [10]

SET-4

1.      Explain all the specifications of Hardware architecture of ACVM system.[10]
2.      Explain the embedded system of mobile phone software for key inputs. [10]
3.      Explain with examples the target image creation. [10]
4.      What are the task synchronization technique‘s with respect to semaphore. [10]

IMAGE AND VIDEO PROCESSING


SET-1

1)      What is coding redundancy? Explain with an example?
2)      Explain three dimensional motion models with neat diagrams?
3)      Explain region based motion estimation?
4)      Explain run length coding with an example?

SET-2

1)      Explain JPEG standards?
2)      Explain geometric image formation with necessary equations?
3)      Explain Application of motion estimation in Video coding
4)      Explain various types of filtering operations with an example?

   SET-3
                                                                      
1)      Write a short note on different type of coding techniques?
2)      Explain photo metric image transformation with neat diagrams?
3)      Explain multi resolution motion estimation? 
4)      Explain pixel based motion estimation?

 SET-4

1)      Explain spatial temporal redundancy?
2)      Explain sampling of video signals?
3)      Explain briefly lossy and lossless image compression with an example?
4)      Explain about mesh based motion estimation?

















DECS (DIGITAL ELECTRONICS AND COMMUNICATION SYSTEMS) : II -MID QUESTIONS DECS (DIGITAL ELECTRONICS  AND COMMUNICATION SYSTEMS) : II -MID QUESTIONS Reviewed by Suresh Bojja on 9/21/2015 06:50:00 AM Rating: 5

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