A magnetic random access memory includes: a first and second wirings, a plurality of third wirings, a plurality of memory cells and a terminating unit. The NIDU determines whether a rules table exists for the protocol, and determines, if the rules table exists, whether a state table includes a matching flow entry corresponding to the flow. Fine adjustment to subtly adjust the spatial matching of the video signal transmission path is carried out using a control signal transmitted through the sub communication path. When the consumer is eligible for deferred payment, the system calculates a new current minimum payment due by multiplying the current non-deferred balance by a predetermined percentage amount and adding the result to the deferred balance.