Question

brifly define the possible state that define an instructions execution?​

Answer 1

Answer:

3.2 List and briefly define the possible states that define an instruction execution. ... Instruction fetch: Read instruction from its memory location into the processor. ... Operand store: Write the result into memory or out to I/O.

Answer 2

Answer:

Instruction address calculation (iac): Determine the address of the next instruction to be executed.

Instruction fetch (if): Read instruction from its memory location into the processor.

Instruction operation decoding (iod): Analyze instruction to determine type of operation to be performed and operand(s) to be used.

Operand address calculation (oac): If the operation involves reference to an operand in memory or available via I/O, then determine the address of the operand.

Operand fetch (of): Fetch the operand from memory or read it in from I/O.

Data operation (do): Perform the operation indicated in the instruction.

Operand store (os): Write the result into memory or out to I/O.

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