1.

In the above circuit, X is given by:

A. \(X = A {\bar B \bar C} + \overline A B\overline C + {\bar A \bar B}{C} + ABC\)
B. \(X = \overline A BC + A\overline B C + AB\overline C + \overline {ABC} \)
C. X = AB + BC + AC
D. \(X = \overline {AB} + \overline {BC} + \overline {AC} \)
Answer» B. \(X = \overline A BC + A\overline B C + AB\overline C + \overline {ABC} \)


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