1. What is the Internet?
© EIT, Author Gay Robertson, 2016

2. The Internet … the structure of the ‘Net’
Computer networks all round the world ‘talking to each other’
connected together by telephone lines, fibre, cable, wireless or satellites
Global network

3. Internationality … The Internet is international
anyone with access to a phone line or wireless connection can connect
Individuals in over a hundred countries are part of the Internet as it extends across national boundaries
English is pre-dominant language but it is only one of the hundreds of languages that are transmitted via the Internet

4. Author driven … Anyone can write and publish anything on the Web
an amateur or an expert
no one moderates or filters information
published from anywhere in the world
they can leave it there as long as they like or change / remove it without warning
Can be educational or entertainment
Can be directed at adults or children

5. Public domain … The Internet is a public, co-operative
Not owned by any one person or company
Simply a network that links willing participants
No one ‘censors’ any content on the Internet
Users are responsible for their own actions and safety
Anyone can add to it so it is ‘self sustaining’ and growing all the time

6. What do I need to connect and access information?
I’m online

7. What is an ISP … Internet Service Provider
a company that sells connections to the internet
everything you send goes through your ISP
everything you receive goes through your ISP

8. What is a Browser …
A 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

9. What are the popular browsers …
Google Chrome, Internet Explorer, Safari, FireFox, Android (Dolphin) Browser are the most popular browsers

10. What is the World Wide Web …
Web sites available on the Internet are written in HTML language
Web sites are related web pages that show multi-media (text, graphics, sound and motion)
The www is NOT the Internet

11. The www is NOT the Internet
Navigate on the WWW …
Use ‘hyperlinks’ to jump from webpage to webpage
Accessible when you key in a URL (or web address)
When you view a web page, it’s being sent to you by a server
The www is NOT the Internet

12. 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

13. www is user friendly …
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

14. 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

15. 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 ….

16. 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

17. 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

18. 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

19. xxx.co.nz …
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

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

21. 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

22. Back to the workbook now!!
A great website to go to for more help and information:
Back to the workbook now!!