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Wave Optics
Question
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Which logic gate is represented by this following combination of logic gates?

  • OR

  • NAND

  • AND

  • NOR

Answer

C.

AND

The truth table for the given circuit is

A

B

y1

y2

y= y1 +y2

0

0

1

1

0

0

1

1

0

0

1

0

0

1

0

1

1

0

0

1

The truth table shows that both the inputs are high, then we are getting a high value of output otherwise zero. Hence, the combination represents AND gate.

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