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This document provides an overview of key concepts related to the internet and the world wide web. It discusses the client-server model where clients (browsers) connect to servers via ISPs. It also defines important protocols and systems that underlie internet connectivity like TCP, IP, DNS, URLs, and domains. Finally, it gives a simple example of an HTML file with basic elements like headings, paragraphs, links, and images.
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مبانی اینترنت
- 1. Internet Basics اینترنت مبانی https://hosseinzahed.com hello@hosseinzahed.com 1 Hossein Zahed زاهد حسین -
- 2. History of the internet – اینترنت تاریخچه https://hosseinzahed.com hello@hosseinzahed.com 2 broadbandsearch.net
- 3. WWW (World Wide Web) • بر مبتنی وب جهانی شبکه : • TCP: Transmission Control Protocol (Application, Transport, Network, Network Interface) • IP: Internet Protocol (80.92.57.120) • DNS: Domain Name System (www.example.com => 80.92.57.120) • URL: Uniform Resource Locator (https://www.example.com/index.html) • Top Level Domain (.com / .net / .org) • Country Based Domains (.ir / .de / .dk) • Other Domains (.info / .io / .tv) • ISP: Internet Service Providers (Verizon, Shatel) • Browsers (Chrome, Edge, Firefox) https://hosseinzahed.com hello@hosseinzahed.com 3
- 4. Client-Server Model – کاربر مدل - سرور https://hosseinzahed.com hello@hosseinzahed.com 4 Client (Browser) ISP DNS Server (Web Hosting Provider) Internet
- 5. HTML (Hyper Text Markup Language) https://hosseinzahed.com hello@hosseinzahed.com 5 <!DOCTYPE html> <html> <head> <title>Sample Page</title> </head> <body> <!-- Heading --> <h1>My First Heading</h1> <!-- Paragraph --> <p>My first paragraph.</p> <!-- Link --> <a href="https://www.google.com">This is a link</a> <!-- Image --> <img src=“google-logo.png" alt="Google" width="100"> </body> </html>