Answer:
Middleware is/are any of several classes of software that allow an application to interoperate with other software without requiring the user to understand all software involved
What is Middleware?
is computer software that connects software components or applications.
The bridge rectifier/filter circuit in an alarm panel provides:
D.C. Voltage
-D.C.is the short term for direct current. This means that electrical current flows in one direction.
-Bridge rectifier or filter circuit is a type of full wave rectifier which uses four or more diodes in a bridge circuit to convert alternating current (AC) to direct current (DC)
