1.

For following logic diagram which expression is true?

A. \(\overline {\left( {\overline {A.B} } \right) + \left( {A.B} \right)} \)
B. \(\overline {\left( {\bar A\;.\bar B} \right).\left( {A.B} \right)} \)
C. \(\overline {AB} .AB\)
D. \(\left( {A.B} \right)\left( {\overline {A.B} } \right)\)
Answer» C. \(\overline {AB} .AB\)


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