Question 117: Semiconductors and Logic Gates

Question

Draw the output signal Y in the given combination of gates.
![](https://imagex.cdn.examgoal.net/1kluwb2k0/11e8db0d-5a47-453c-8ebc-524dad11097e/3ac3ab00-7cec-11eb-8f7b-79760a5d8011/file-1kluwb2k1-320w.jpg)

Accepted Answer

Y = $\overline {\overline A  + B} $ = $A.\overline B $
A = 0 $ \Rightarrow $ Y = 0 for B = 0 or B = 1
A = 1 $ \Rightarrow $ Y = 0 for B = 1
A = 1 $ \Rightarrow $ Y = 1 for B = 0
Hence output is 1 only when input A = 1 and B = 0.
$ 	herefore $ A is the correct output.

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Semiconductors and Logic Gates

Draw the output signal Y in the given combination of gates.

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