Any program residing in the memory contains a set of instruction that need to be executed by the computer in a sequential manner. This cycle for every instruction is known as the instruction cycle . The cycle consists of the following steps:

★ Fetch instruction:

Like the name stated in this process the cpu fetches the instruction from the memory. The PC get loaded with the address of the instruction.

★ Decode:

The instruction: In this process the instruction gets decoded by the processor.

★ In case the instruction has an indirect address the effective address is read from the memory.

★ Fetch the operand from the memory

★ Execution:

Once the instruction gets decoded the processor executes the instruction.

★ Result:

Store the result in the appropriate place.