question_answer

For the logic circuit shown, the truth table is:

[NEET 2020]

A)                         A          B          Y             0          0          0                         0          1          1                         1          0          1 1          1          1

B)             A          B          Y                         0          0          1                         0          1          1                         1          0          1                         1          1          0

C)             A          B          Y                         0          0          1                         0          1          0                         1          0          0                                  1          1          0

D)             A          B          Y                         0          0          0                         0          1          0                         1          0          0                         1          1          1

Correct Answer: D

Solution :

[d]

\[\text{Y}\,\,\text{=}\,\,\overline{\overline{A}+\overline{B}}\]

\[=\overline{\overline{A.B}}\]

\[=A.B\Rightarrow AND\,\,Gate\]

Truth Table

A B Y 0 0 0 0 1 0 1 0 0 1 1 1