Physics - Semiconductors Question with Solution | TestHub

$y=\overline{\left(\overline{A.\overline{A.B}}\right).\left(\overline{A.B}+B\right)}$

$A.\overline{A.B}+(A.B).\bar{B}$

$=A\cdot \left(\stackrel{-}{A}+\stackrel{-}{B}\right)$

$=A\stackrel{-}{B}$