Solved: PHYSICS Question for NEET

NEET PHYSICSEasy

The symbolic representation of four gates is shown as: Pick out which ones are for AND, NAND, and NOT gates, respectively.

(i), (iv), and (ii)

(ii), (iii), and (iv)

(ii), (iv), and (iii)

(ii), (iv), and (i)

Based on standard logic gate symbols from the AIPMT 2011 question:

The AND gate has a straight input edge and a curved D-shaped output edge (figure ii).
The NAND gate is depicted as an AND gate with a small circle (inversion bubble) at the output (figure iv).
The NOT gate is represented by a triangle with a small circle at the apex (figure iii). Therefore, the correct sequence representing AND, NAND, and NOT gates is (ii), (iv), and (iii).

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