Process-Scheduling
February 26, 2025GATE 1992
February 26, 2025ISRO-2016
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Question 5
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The minimum Boolean expression for the following circuit is:
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AB + AC + BC
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A + BC
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A + B
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A + B + C
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Question 5 Explanation:
If the switches are in parallel then use “+”, and if they are serial then use “ ”.
A(B+C) + AB + (A+B)C = AB + AC + AB + AC + BC
= (AB+AB) + (AC+AC) + BC
= AB + AC + BC
A(B+C) + AB + (A+B)C = AB + AC + AB + AC + BC
= (AB+AB) + (AC+AC) + BC
= AB + AC + BC
Correct Answer: A
Question 5 Explanation:
If the switches are in parallel then use “+”, and if they are serial then use “ ”.
A(B+C) + AB + (A+B)C = AB + AC + AB + AC + BC
= (AB+AB) + (AC+AC) + BC
= AB + AC + BC
A(B+C) + AB + (A+B)C = AB + AC + AB + AC + BC
= (AB+AB) + (AC+AC) + BC
= AB + AC + BC