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JEE Main202124 Feb 2021Evening ShiftPhysicsSemiconductorsActual

The logic circuit shown above is equivalent to :

Correct answer

2

Step-by-step solution

Truth table of the given gate:   A   B   C   0 0 0 0 1 1 1 0 0 1 1 0 Truth table of option 1   A   B   C   0 0 1 0 1 1 1 0 0 1 1 1 Truth table of option 2   A   B   C   0 0 1 0 1 0 1 0 1 1 1 1 Truth table of option 3   A   B   C 0 0 1 0 1 0 1 0 0 1 1 0 Truth table of option 4   A   B   C 0 0 0 0 1 1 1 0 0 1 1 0 Since option 1 has same truth table, hence answer is option 4 is correct. Given Boolean expression can be written as

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