The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is

The Boolean expression for the sub-class (Q) of all electronic instrum

1.	The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is
A.	Q = X(Y + Z̅)
B.	Q = X + Y̅Z
C.	Q = XY̅ + Z
D.	Q = XY + Z
Answer» C. Q = XY̅ + Z