A) NAND
B) NOR
C) AND
D) OR
Correct Answer: A
Solution :
LED glows when Both switches are OFF if are one is ON or both ON, LED will be short and becomes OFFA | B | Y(LED) |
0 OFF | 0 (OFF) | 1 (ON) |
0 (OFF) | 1 (ON) | 1 (ON) |
1 (ON) | 0 (OFF) | 1 (ON) |
1 (ON) | 1 (ON) | 0 (OFF) |
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