Following gates section is connected in a complete suitable circuit. 
For which of the following combination, bulb will glow (ON):
(1) A = 0, B = 1, C = 1, D = 1
(2) A = 1, B = 0, C = 0, D = 0 
(3) A = 0, B = 0, C = 0, D = 1 
(4) A = 1, B = 1, C = 1, D = 0 
                                                          JEE -2024
Solution:                
Following gates section is connected in a complete suitable circuit

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