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Logic Circuit Simplification - Technical MCQs

Q1:

The Boolean expression mcq19_1001_1.gif is logically equivalent to what single gate?

A NAND

B NOR

C AND

D OR

ANS:A - NAND

IF A AND B ARE INPUT OF THE AND GATE THEN THE OUTPUT IS AB
NAND GATE IS THE COMBINATION OF NOT and AND GATE then the output is the negation of AND gate
so AB-- = NAND