الانترنت والبريد الإلكتروني

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Presentation transcript:

الانترنت والبريد الإلكتروني مهارات الحاسوب الانترنت والبريد الإلكتروني ا.محمد شبير

مقدمة الشبكة العنكبوتية (World Wide Web (www أو ما يطلق عليها الانترنت Internet تعتبر من أهم إنجازات القرن العشرين

ميزات شبكة الانترنت تقليل التكلفة حفظ الوقت مشاركة البرامج مشاركة مصادر الأجهزة

يتبع كلمة الانترنت Internet تعني شبكة تتكون من مجموعة شبكات وهي اختصار لـ Interconnected Network او International Network شبكة الانترنت شبكة عملاقة مكونة من مجموعات من شبكات الحاسوب المرتبطة ببعضها على نطاق عالمي الاجهزة المتصلة تعد بالملايين

ميزات إضافية للانترنت الثقافية التعليمية الإخبارية

اهم ميزات الانترنت الاساسية تحقق مشاركة المصادر Resources Sharing الأجهزة والبرامج والمعلومات وأخيرا استخدام البريد الالكتروني

مشاركة الأجهزة Devices Sharing نعني بمشاركة الأجهزة أن جميع أجهزة الحاسوب المرتبطة بالشبكة يمكنها استخدام أي جهاز مرتبط مع الشبكة. مثال: إذا كنت تعمل في مؤسسة صغيرة وأعمالها قليلة يمكن توصيل طابعة واحدة بجميع الحاسبات ليستخدمها جميع المستفيدين من الشبكة

مشاركة البرامج والمعلومات Software and Information Sharing نعني أن أي شخص يستخدم حاسبا شخصيا داخل الشبكة يمكنه استخدام البرامج والمعلومات على حاسب آخر.

استخدام البريد الالكتروني Email وهي من أهم مزايا الانترنت حيث تمكن المستفيدين من الشبكة إرسال واستقبال الرسائل فيما بينهم. البريد الالكتروني عبارة عن رسالة إلكترونية ترسل من مرسل (شخص أو هيئة) إلى مستقبل (شخص أو هيئة) تمر عبر قنوات النقل (الشبكة). ويمكن تخزينها بغرض التوثيق

نبذة تاريخية عن تطور الانترنت