In case of OR gate, for any number of inputs, a

In case of OR gate, for any number of inputs, a

1. 1 at any input causes the output to be at logic 0
2. 0 any input causes the output to be at logic 0
3. 0 at any input causes the output to be at logic 1
4. 1 at any input causes the output to be at logic 1

Correct answer: 4. 1 at any input causes the output to be at logic 1

Also see below: OR logic gate