لوحة دائرة كهربائية ، نبذة مختصرة ، خلفية ، مسارات موصل ، الدوائر ، الحاسوب ، التمكن من ، فيروسات الكمبيوتر ، فيروس الكمبيوتر ، مركز مراقبة البيانات ، أثر
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