1. What is the World Wide Web (www)
© EIT, Author Gay Robertson, 2017

2. What is the World Wide Web …
The World Wide Web is a collection of web sites you can access through the internet
Web sites are related web pages that show multi-media (text, graphics, sound and motion)
Web sites written in HTML language are available on the Internet
These are known as Web sites on the World Wide Web
The www is NOT the Internet

3. The www is NOT the Internet
Navigate on the WWW …
Use ‘hyperlinks’ to jump from webpage to webpage or open eg a video
Web pages on the www are accessible when you key in a URL (or web address)
When you view a web page, it is being sent to you by a server
The www is NOT the Internet

4. Server serves up the pages …
A server is a powerful computer permanently connected to the Internet
It ‘serves or sends’ web pages and other files to clients
A user (you and your computer) are known as a client

5. www is user friendly … Browsing or Surfing
The world wide web, the graphical portion of the Internet, is the most popular part of the Internet by far
Navigating through pages of information based on what interests you at that particular moment is commonly known as
Browsing or
Surfing

6. It’s also called a web address
How do I get to a web page?
Key a URL
A WHAT??
It’s also called a web address

7. Web address … A web address has a technical name – it is called a URL
Uniform resource locator
A web address looks like this
Let’s break down the URL or web address …. to show how it follows Standard User Protocol

8. Standard User Protocol …
The standard or set of rules that manages data transfer between computers
It is the communicator that enables computers to understand and work together
If you don’t follow the rules data cannot transfer
So the URL must be correctly set up and keyed?

9. http …
‘hypertext’ transfer protocol (allows the transfer of hypertext files from one computer to another computer across the World Wide Web)
Hypertext files are written in HTML language

10. www…
www
Says this is a page on the World Wide Web containing text, graphics, video and sound, which uses hyperlinks to jump from page to page

11. xxx.co.nz …
xxx.co.nz is the Domain name of the owner of the web address (eit), the company or organisation type (ac), the country (nz)
The USA doesn’t identify country eg google.com
Many different organisation types eg .ac is for academic, .co is for company, .govt is for Government

12. Where do I key a web address …
In your browser, in the address bar

13. So how does that go? The client on a computer connects using an ISP
Uses web browser software
Goes to www address to view web pages
Uses a search engine to find something
Connects to a server
Web page is downloaded from server to client

14. Revision from NZCC2 Using a Web browser

15. What is a Web browser …
A web browser is an end-user program that you need to use to view web pages and ‘browse’ websites which are made up of multiple web pages
Google Chrome, Internet Explorer, Safari, FireFox, Android (Dolphin) Browser are the most popular browsers

16. Address Bar and Toolbar

18. Add to Favourites - Internet Explorer

19. Add to Favourites - Google Chrome

20. History - Internet Explorer

21. History - Google Chrome

22. Open a new tab - Internet Explorer

23. Open a new tab - Google Chrome

24. Close your web browser - Internet Explorer

25. Close your web browser - Google Chrome

26. Use Help features - Internet Explorer

27. Use Help features - Google Chrome

28. Esc to finish For more help and information:
For more help and information on your browser:
Esc to finish