1.

The output X of the above logic circuit is:

A. AB + CD + EF
B. \(\overline {AB} + \overline {CD} + \overline {EF}\)
C. (A + B)⋅(C + D)⋅(E + F)
D. \((\overline {A + B})\cdot(\overline {C + D})\cdot(\overline {E + F})\)
Answer» B. \(\overline {AB} + \overline {CD} + \overline {EF}\)


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