How the World Wide Web, web pages, HTML, HTTP, hyperlinks, web servers, web browsers, URLs and FTP fit together to deliver a page to your screen.
5 narrated scenes. Press play, listen and read along — the points appear as they are explained. Use ‹ Prev / Next › or the scene bar to jump to any scene.
You type an address, press Enter, and a page appears in less than a second. Ten different technologies took part. This lesson names each one and shows how they work together.
Narration uses your device’s built-in voice. No sound? Switch to “Captions only” — the captions advance on their own.
Pull a web address apart and see what each part does.
Copy these into your notebook in your own words — that is how they stick.
Service of linked web pages on the Internet.
One document / a set of linked pages.
Code describing the structure of a page.
Clickable link to another page or place.
Address: protocol + domain + path.
Program that requests and displays pages.
Computer that stores and sends pages.
Rules for sending pages / for uploading and downloading files.
3 quick games on this lesson. Earn XP and badges as you play — your best score for each game is saved. Games are for practice and do not change your exam readiness. More games in the Information Technology Arcade.
8 items modelled on real CSEC Paper 1 questions. Choose one answer for each, then check. Aim for 80% or better. Work each item on paper first.
Write full answers, then reveal the mark scheme and tick the points you earned (12 marks in total). Show all your working — method marks count. Your answers are saved on this device.
Question 1 [12 marks]
Maya designs a website for her school and uploads it so that anyone can view it.
(a) (a) Distinguish between the Internet and the World Wide Web. [3]
(b) (b) State the purpose of HTML. [1]
(c) (c) Name the protocol Maya uses to upload her files to the server and the protocol the browser uses to request them. [2]
(d) (d) Describe the roles of a web server and a web browser. [4]
(e) (e) State what a URL is and give one example. [2]
Find these in your own past-paper booklets for extra timed practice. Items above are written in the style of these papers; any adapted from a specific question say so.