An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a ______________?

Non-inverting voltage at output

An OP-AMP comparator is a circuit that compares the signal voltage on

1.	An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a ______________?
A.	Non-inverting voltage at output
B.	Reference voltage on the other
C.	Virtual input
D.	Output
Answer» C. Virtual input