What is the name of this logic gate?

NOT gate
What is the name of this logic gate?

OR gate
What is the name of this logic gate?

AND gate
If A,B = 1 what is X?

0
If A = 1 and B = 0 what is X?

0
If A = 0 and B = 0 what is X?

1
If A = 0 and B = 0 what is X?

1
If A = 1 and B = 0 what is X?

1
If A = 1 and B = 1 what is X?

0
If A = 1, B = 1 and C = 1, what is X?

0
If A = 0, B = 0 and C = 1, what is X?

0
If A = 1, B = 1 and C = 1, what is X?

0