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Answer» The flow of a typical Instruction word is as FOLLOWS:
- The content of the program counter of 2 byte is transferred to the address register known as MAR ( MEMORY address register ). This occurs at the starting of a fetch CYCLE.
- The contents are transferred VIA the address bus.
- Once this is done the timing and control section of the processor reads the contents of the referenced memory address location.
- After this the data is sent to the memory data register with the help of the data bus.
- Now the data is placed in the instruction register which will eventually decode and execute it.
The flow of a typical Instruction word is as follows:
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