For the switch circuit, taking open as 0 and closed as 1, the expression for the circuit is Y. Y is given by

For the switch circuit, taking open as 0 and closed as 1, the expressi

1.	For the switch circuit, taking open as 0 and closed as 1, the expression for the circuit is Y. Y is given by
A.	A + (B + C) D
B.	A + BC + D
C.	A(BC + D)
D.	none of these
Answer» D. none of these