Download JNTUA M.Tech 2nd Sem Supply 2018 Feb 9D06203 Design of Fault Tolerant Systems Question Paper

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Code: 9D06203

Time: 3 hours

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M.Tech II Semester Supplementary Examinations February 2018

DESIGN OF FAULT TOLERANT SYSTEMS

(Digital Systems and Computer Electronics)

(For students admitted in 2012, 2013, 2014, 2015 & 2016 only)

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Answer any FIVE questions

All questions carry equal marks

Max. Marks: 60

1. 1. Derive relation between reliability and MTBF.
   2. Derive reliability of the following systems:
      1. Series.

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      2. Parallel.
      3. Parallel-series.
      4. Series-parallel.

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2. 1. Discuss about static and dynamic redundancy techniques with neat diagrams.
   2. Discuss about self purging redundancy technique.
3. 1. Design a totally self checking checker.
   2. Design a self checker circuit using m out of n codes.

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4. Give the design procedure for a totally self checking PLA.
5. 1. Define the terms:
      1. Testability.
      2. Observability.

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   2. Discuss about Reed Muller's expansion technique with an example.
6. With a neat diagram, discuss about a signature analyzer using an LFSR.
7. With a neat diagram, discuss about level sensitive scan design (LSSD).
8. Write short notes on the following:
   1. Exhaustive testing.

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   2. Pseudorandom testing.

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