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Physics Question on Semiconductor electronics: materials, devices and simple circuits

For the logic circuit shown, the truth table is :
logic circuit

A

logic circuit

B

logic circuit

C

logic circuit

D

logic circuit

Answer

logic circuit

Explanation

Solution

logic circuit

Y=Aˉ+Bˉ‾=Aˉˉ.Bˉˉ=A.BY=\overline{\bar{A}+\bar{B}}=\bar{\bar{A}}.\bar{\bar{B}}=A.B =AND gate ABY 000 010 100 111\begin{matrix}A&B&Y\\\ 0&0&0\\\ 0&1&0\\\ 1&0&0\\\ 1&1&1\end{matrix}