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خلفية كمبيوتر دائرة تقنية 4K Ultra HD

Financial

5 ديسمبر, 2025

تُظهر الصورة شريحة معالج دقيق (معالج كمبيوتر) على لوحة دوائر مطبوعة (PCB)، والتي تُعرف غالبًا باللوحة الأم. تعمل هذه اللوحة كعمود فقري للكمبيوتر، حيث تسمح لجميع المكونات بالاتصال والعمل معًا.

المكونات: تحتوي اللوحة الأم على المعالج، والذاكرة، وموصلات لمحركات الأقراص، وبطاقات التوسعة للصوت والفيديو، والمنافذ الخارجية (مثل USB).
الدوائر: تستخدم الدوائر المتكاملة (ICs) مفاتيح تشغيل وإيقاف (ترانزستورات) يتم فتحها وإغلاقها كهربائيًا بسرعات عالية جدًا.
الوظيفة: توفر اللوحة الأم مسارًا لتدفق الإلكترونات، مما يتيح نقل البيانات والطاقة بين الأجزاء المختلفة من الكمبيوتر.
الأهمية: سرعة تشغيل الكمبيوتر تعتمد على تصميم دوائره.

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