Exor Gate using transistor logic

Exor Gate using transistor logic Consider 2 switch from the top as input A and other 2 switch as input B. On giving ( here 1 represent 9v and 0 represent 0v) A=0 B=0 o/p=0 A=1 B=0 o/p=1 A=0 B=1 o/p=1 A=1 B=1 o/p=0