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  • UGC NET June 2004 - Computer Science Paper 2
  • If C = A * B, then C * A is
Multiple choice

If C = A * B, then C * A is

  1. A

  2. B

  3. 0

  4. 1

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

If C = AB + A'B', then C * A = (AB + A'B')A + (AB + A'B')'A'. This simplifies to (ABA + A'B'A) + (AB + A'B')'A'. Since ABA = AB and A'B'A = 0, the expression reduces to AB + (A' + B)(A + B')A'. This evaluates to B.

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