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Which logic gate is this? (a) AND (b) OR (c) NOR (d) NAND

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Which logic gate is this?

(a) AND

(b) OR

(c) NOR

(d) NAND

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Correct answer: (c) NOR

Explanation:

c = \(\overline{a.a}\) = \(\bar{a}\)

& d = \(\overline{b.b}\) = \(\bar{b}\)

Y = c.d = \(\bar{a}\).\(\bar{b}\)

= \(\overline{a + b}\)

∴ this circuit represents NOR gate.

This post was modified 4 years ago 2 times by Reyana09
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