Step 1: PC will send the address of the instruction to the MAR
So MAR will contain the address of the instruction 5FF0 i.e 7F0
Now After the instruction is fetched,
Step 2: The result of memory access will be provided to MBR through system BUS, i.e the Instruction Itself
MBR contains 5FF0
Step 3: And further the contents of MBR will be provided to IR(Instruction Register) to store the instruction for the further decoding phase