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زبان ماشین

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Instruction execution cycle<br />

گام های مختلف اجرای يک برنامه<br />

(Fetch)<br />

(Decode)<br />

(Fetch operands)<br />

(Execute)<br />

(Store output)<br />

واكشي<br />

رمزگشايي<br />

خواندن عملوندها<br />

اجراي دستور<br />

نوشتن نتيجه ي دستورالعمل<br />

•<br />

•<br />

•<br />

•<br />

•<br />

PC program<br />

I-1 I-2 I-3 I-4<br />

memory<br />

op1<br />

op2<br />

read<br />

registers<br />

fetch<br />

registers<br />

I-1<br />

instruction<br />

register<br />

write<br />

write<br />

flags<br />

ALU<br />

decode<br />

زبان ماشين<br />

(output)<br />

execute<br />

7<br />

Slides prepared by Kip R. Irvine

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