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For the following circuit and given inputs A and B, chose the correct option for output 'Y'

 

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

best_answer

 

Output,  

 \begin{gathered} \mathrm{y}=\overline{\overline{\mathrm{A}} \cdot \mathrm{B}}=\overline{\overline{\mathrm{A}}}+\mathrm{B} \\ \mathrm{y}=\mathrm{A}+\overline{\mathrm{B}} \end{gathered}

\begin{array}{ll} \mathrm{t}_1 \text { to } \mathrm{t}_2, & \mathrm{~A}=0, \mathrm{~B}=1, \mathrm{Y}=0 \\ \mathrm{t}_2 \text { to } \mathrm{t}_3 & \mathrm{~A}=1, \mathrm{~B}=1, \mathrm{Y}=1 \\ \mathrm{t}_3 \text { to } \mathrm{t}_4 & \mathrm{~A}=0, \mathrm{~B}=0, \mathrm{Y}=1 \\ \mathrm{t}_4 \text { to } \mathrm{t}_5, & \mathrm{~A}=1, \mathrm{~B}=1, \mathrm{Y}=1 \\ \mathrm{t}_5 \text { to } \mathrm{t}_6, & \mathrm{~A}=1, \mathrm{~B}=0, \mathrm{Y}=1 \\ \text { After } \mathrm{t}_6, & \mathrm{~A}=0, \mathrm{~B}=0, \mathrm{Y}=1 \end{array}

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