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The Boolean SOP expression obtained from the truth table is:
  • a)
    ABC'+A'BC
  • b)
    AB'C+ABC'
  • c)
    A'B'C+ABC'
  • d)
    A'BC'+AB'C
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The Boolean SOP expression obtained from the truth table is:a)ABC+ABCb...
We can minimize the Boolean expression/truth table of ‘n’ variable using a K-map in which 2n cells are present.
Steps to solve expression using K-map:
  • Select the K-map according to the number of variables (Cells = 2n)
  • Identify maxterm or minterm as given as per the problem.
  • For SOP, put 1’s in blocks of K-map respective to the minterms.
  • For POS, put 0’s in blocks of K-map respective to the max terms.
  • To minimize, make rectangular groups containing total terms in power of two (like 1, 2, 4, 8..).
  • From the groups made in step-5, find the product terms & add them for SOP form.
Calculation:
The truth table given is:

The 3 – variable K-map corresponding to the given truth table is drawn with 23 = 8 (cells) as shown:

By making a group of 1’s,
Output (X) = A̅ B̅ C + A B C̅ 
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The Boolean SOP expression obtained from the truth table is:a)ABC+ABCb)ABC+ABCc)ABC+ABCd)ABC+ABCCorrect answer is option 'C'. Can you explain this answer?
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