In this section of Digital Logic Design – Digital Electronics – Karnaugh Map and Minimization MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various Competitive Exams and University Level Exams.

  1. Karnaugh Map MCQs
  2. Canonical Form MCQs
  3. Karnaugh Map-Construction and Properties MCQs
  4. Minimization in SOP form using Karnaugh Map MCQs
  5. Minimization in POS form using Karnaugh Map MCQs

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1. The Number of Terms in a switching function of four variables are

  • 4
  • 8
  • 16
  • 12

2. The total number of cells in the karnaough map of a switching function (A,B,C)  consisting of only three variables are:

  • 8
  • 4
  • 16
  • 3

3. The minterm ,designator of the term A¯BCD is

  • 4
  • 5
  • 11
  • None of these

4. The maxterm designator of the term ¯A+¯B+C+¯(D )is

  • 2
  • 13
  • 10
  • None of these

5. A switching function f(A,B,C,D)=¯A ¯BCD + ¯AB¯CD + ¯AB¯CD +A¯B ¯CD+ A¯BCD

  • ∑(1,3,5,7,9)
  • ∑(3,5,7,9,11)
  • ∑(3,5,9,11,13)
  • ∑(5,7,9,11,13)

6. The switching function f(A,B,C,D)= ∑(5,9,11,14) can be written as equal to

  • A¯BC¯D+ ¯ABC¯D+ ¯AB¯C ¯D+ ¯A ¯B ¯CD
  • A¯BC+ A¯B ¯CD+ AB¯CD+ ABC¯D
  • ¯A ¯BCD+ ¯AB¯C ¯D+ ¯ABC¯D+ AB¯CD
  • ¯AB¯CD+ A¯B ¯CD+ A¯BCD+ ABC¯D

7. The Karnaugh map method of minimization of switching function is very convenient and effective ,if the number of variable in the switching function are

  • 8
  • 4
  • 5
  • 6

8. if the SOP form of switching function is f(A,B,C,D)= ¯A ¯BC+ ¯AB¯C +A¯(BC )+ABC then the POS form of the function will be

  • ( ¯A+¯B+C)( ¯A+B+¯C)( A+¯B+¯C)( A+B+C)
  • (A+B+C)( A+¯B+¯C)( ¯A+B+¯C)( ¯A+¯B+C)
  • (A+B+¯C)( A+¯B+C)( ¯A+B+C)( ¯A+¯B+¯C)
  • None of these

9. if a three variable switching function is expressed as the product of maxterms by f(A,B,C) =II(0,3,5,6) then it can also be expressed as the sum of minterms by

  • II(1,2,4,7)
  • ∑(0,3,5,6)
  • ∑(1,2,4,7)
  • ∑(1,2,3,7)
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