اینترنت مهمترین رسانه الکترونیکی جهان کنونی

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Presentation transcript:

اینترنت مهمترین رسانه الکترونیکی جهان کنونی اینترنت مهمترین رسانه الکترونیکی جهان کنونی

آشنایی با مفاهیم و اصطلاحات اینترنتی 1 ISP Server Network Newbie Online Offline Web

آشنایی با مفاهیم و اصطلاحات اینترنتی 2 Search engine Download Upload E- Mail Freeware Shareware

Website Web page آشنایی با مفاهیم و اصطلاحات اینترنتی 3 Host HTML (Hyper Text Markup Language) PDF HTTP Website Web page

آشنایی با مفاهیم و اصطلاحات اینترنتی 4 Web browser www (World wide web) Web address Banner Chat Attachment

آشنایی با مفاهیم و اصطلاحات اینترنتی5 URL (Universal Resource Locator) Domain Hypertext Netscape Multimedia Internet explorer

تشریح محیط اینترنت چالش های اینترنت فرصتها اضافه بار اطلاعاتی ریزش کاذب( بازیابی اطلاعات نامربوط) فرصتها منحصربفردبودن اطلاعات اینترنت روزآمد بودن اطلاعات اینترنت رایگان بودن اطلاعات اینترنت سهولت جستجو و بازیابی اطلاعات اینترنت دسترسی به اطلاعات چندرسانه ای

ابزارهای کاوش در اینترنت Subject Directories Search Engines

اجزای اصلی موتورهای جستجو روبات ها پایگاه های اطلاعاتی نرم افزار بازیابی اطلاعات

مزایای راهنمای موضوعی نسبت به موتورکاوش محدودیت راهنمای موضوعی نسبت به موتورکاوش کدام بهتراست ؟ معیارهای ارزیابی موتورهای جستجو و راهنمای موضوعی

ابرموتورهای کاوش Meta search engines Profusion 12 Metacrawler 12 Copernic 19 Webferret 21 Lexibot 600

روش های مختلف اتصال به شبکه اینترنت - سیستم شماره گیری Dial Up استفاده از خط Leased line

تنظیمات سیستم شماره گیری Dial up مراحل ایجاد connection - My network places راست کلیک روی - creat a new connection - connect to the network at … - Dial up connection - company name , phone name - Add a shortcut Finish

مرورگرهای وب اینترنت اکسپلوررInternet explorer نت اسکیپ Netscape

آشنایی با اینترنت اکسپلورر نوارعنوان - نوار منو - نوار ابزار- نوارآدرس چاپ یک صفحه وب ذخیره تصاویر دروب کپی کردن صفحات وب copy –paste بازکردن چندصفحه وب بطورهمزمان

غیرفعال کردن نمایش تصاویرصفحات وب تغییرstart page ذخیره صفحات موردعلاقه در favorite پاک کردن تاریخچه جستجو دروب

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