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Concepts Of Physics MCQ Edition [Volume 2]
Exam
Concepts Of Physics MCQ Edition [Volume 2]
Subject
Physics
Chapter
Semiconductors and Semiconductor Devices

Concepts Of Physics MCQ Edition [Volume 2] · Physics · Semiconductors and Semiconductor Devices

Consider the expression X = A BC + B CA + C AB . Find the value of...

Consider the expression X=A‾BC+B‾CA+C‾ABX = \overline{A}BC + \overline{B}CA + \overline{C}AB. Find the value of XX if A=1A = 1, B=0B = 0, and C=1C = 1.

Options

  1. A−1-1
  2. B11
  3. C22
  4. D00

Correct answer

B. 11

Step-by-step solution

Given A=1A = 1, B=0B = 0, C=1C = 1.

The complements are A‾=0\overline{A} = 0, B‾=1\overline{B} = 1, C‾=0\overline{C} = 0.

Substituting these values into the given Boolean expression X=A‾BC+B‾CA+C‾ABX = \overline{A}BC + \overline{B}CA + \overline{C}AB:

X=(0⋅0⋅1)+(1⋅1⋅1)+(0⋅1⋅0)X = (0 \cdot 0 \cdot 1) + (1 \cdot 1 \cdot 1) + (0 \cdot 1 \cdot 0)

X=0+1+0=1X = 0 + 1 + 0 = 1
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