The Instruction Cycle In Computer

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What is instruction execution cycle in computer processing and how actually the fetching and execution of the instructions works in computer?

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The Instruction Cycle In Computer

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The computer programs are stored in the memory and they are in the form of setoff instructions.Computer executes instructions all the time and the multitasking means at one moment computer may be executing an instruction of one program and on the next moment it may be executing the instruction of some other program and it happens in such a short period that we can not judge it.The processor fetches one statement from the memory and then executes it and between fetching and executing there may involve many steps.These all steps are called instruction cycles.The fetched instructions are stored in the instruction register which is in the processor.

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