question_answer

The circuit diagram shows a logic combination with the states of outputs X, Y and Z given for inputs P, Q, R and S all at state 1. When inputs P and R change to state 0 with inputs Q and S still at 1, the states of outputs X, Y and Z change to

A)  1, 0, 0                  

B)         1, 1, 1                  

C)  0, 1, 0                  

D)         0, 0, 1

E)  0, 1, 1