Lesson: 20 - Wi-Fi & Hotspot, Internet, Browser & Browsing
Two class - One hour.
Desktop Computer or Laptop, browser, internet and Wi-Fi or hotspot.
Students should be able to identify the browser icon and connect Wi-Fi.
1. How to connect with Wi-Fi and Hotspot?
2. What do you mean by browsing?
3. Gather information about 4 National leaders in four different tabs in one Browser Window. Move from one page to another page (Forward arrow, backward arrow at the top left of the browser window).
4. Search and download our National song, and National flag and store them in your local drive.
Ask the students to think about how data from their computer goes to say Google.com server and comes back to them with the answers. From our computer to the Wifi router (LAN), from our router to Google’s router (through the Internet), from Google’s router to their server (their LAN) and reverse way back.
Ask students to think about how Google knows everything in the world. You can explain how Google “crawls” the Internet every few months. i.e. finds all the active domain names and checks if there is a web server in that domain name and follows all the links in the website to build a LARGE database of all web pages. In each page it reads it to find out all the key words used in the page. It also finds the traffic to various websites to prioritise important ones from unimportant ones.