Question: The communication between memory and processing unit consists of two registers: Memory Address Register ( MAR ) and Memory Data Register ( MDR ) .

The communication between memory and processing unit consists of two registers: Memory Address Register (MAR) and Memory Data Register (MDR). Please explain read and write operations by considering the responsibilites of these two registers.
What are the phases of the instruction cycle?
Investigate the following truth tables for the outputs S and Cout. Write the functions for S and Cout. Then design their circuits.
The communication between memory and processing unit consists of two registers:

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