IGCSE Computer Science 0478 5.1: How a web page is located, retrieved and displayed

Students learn the roles of IP addresses, the DNS, the web server, HTML and the browser, and put the steps from entering a URL to seeing a page in order.

One content description from the full IGCSE Computer Science 0478 — 5.1 The Internet and the World Wide Web journey. All 8 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.

Modules (8)

1 IP address 2 Why domain names are used instead of IP addresses 3 Domain name server (DNS) 4 A DNS lookup step by step 5 Web server 6 Requesting a page from the web server 7 How a browser renders a web page 8 From URL to web page: the full sequence

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