Store Program Control Concept

         

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It is a process to store the instructions in computer memory to enable it to perform various tasks in sequence Computer performs following instructions  1) Fetch the next instruction from the memory at the address in the program counter 2) Add 1 to the program counter 3) Decode the instruction using the control unit. The control unit commands the rest of the computer to perform some operation. The instruction may change the address in the program counter, permitting the receptive operations. The instruction may also change the progam counter only if some arithmatic condition is true 4) Go back to step 1. Most of the computers add another step to check interrupts <<Main Menu                                         Next Page>>