1.

Explain The Flow Of A Typical Instruction Word.?

Answer»

The flow of a typical Instruction word is as FOLLOWS:

  1. 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.
  2. The contents are transferred VIA the address bus.
  3. Once this is done the timing and control section of the processor reads the contents of the referenced memory address location.
  4. After this the data is sent to the memory data register with the help of the data bus.
  5. 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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