PTU B.Tech Computer 3rd Sem Paper 2012 Digital Circuit & Logic Design

PTU B.Tech Computer 3rd Semester Paper 2012 Digital Circuit & Logic Design Punjab Technical University Exam 2012 3rd Sem Digital Circuit & Logic Design Test September and March Question Paper Free Download Punjab Technical University Digital Circuit & Logic Design Question Papers 2012 PTU B.Tech Computer 3rd Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU B.Tech Computer 3rd Sem Paper 2012 Digital Circuit & Logic Design Punjab Technical University September 2012 and March 2012 Exam B.Tech Computer 3rd Semester Sample Model Question Papers Free Download PDF

                                                                  Digital Circuit & Logic Design

  1. Find the value of x in the following. (1100.1011)2= (x)10
  2. Realize AND gate using NOR gates only.
  3. Differentiate between synchronous and asynchronous counters.
  4. Define the term resolution of a D/A converter.
  5. What is the minimum voltage value that is considered as high stage inputin case of TTL logic family.
  6. A presettabic counter has eight flipflops. If the preset number is 125, what is the modulus?
  7. What are the advantages of CMOS memory chips over bipolar memory chips?
  8. Define 1 ‘s and 2’s complements.
  9. Define the term resolution of an A/D converter.
  10. Using boolean algebraic theorems, prove that A+AB+AB=A-t-B

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