Given below are two statements :
one is labelled as
Assertion (A) and the other is labelled as
Reason (R).
Assertion (A) :
During memory interfacing, address decoding is required to select the desired memory chip.
Reason (R) :
Each memory chip has unique address range that must be enabled using chip select signals.
In the light of the above statements, choose the most appropriate answer from the options given below :