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Q. Which logic gate is represented by the following combination of logic gates?Physics Question Image

KCETKCET 2022Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

This is a case of AND gate. Input and output are shown below
$ \therefore y =\overline{\overline{ A }+\overline{ B }}=\overline{\overline{ A } \cdot \overline{ B }}= AB (\text { since } \overline{ A }+\overline{ B }=\overline{ A } \cdot \overline{ B }) $