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Asked Nov 19, 2019
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4. Explain the steps of the fetch-decode-execute cycle. Your explanation
should include what is happening in the various registers.
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4. Explain the steps of the fetch-decode-execute cycle. Your explanation should include what is happening in the various registers.

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Expert Answer

Step 1

Registers that are involved in the instruction cycle are as follows:

  1. Memory Address Registers (MAR): These registers are directly connected with the address line of the system bus, and they state the memory of address to read and write operation.
  2. Memory Buffer Registers (MBR): These registers are directly connected with the data lines of the system bus, and they contain the val...

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