1. Objectives To understand the about types of computer network
To understand the internet
To find out what equipment needed to get connected
To find out what can we do with the internet
To understand about web browing

2. Computer networks
A computer network can be created by connecting two or more computers together

3. Types of computer network
There are two types of network
Local Area Network (LAN)
A small computer Network that cover small area such as home, office or even a small building
Wide Area Network (WAN)
A big computer Network that cover large geographical area such as a small country.

4. LAN network use in School Computer Lab and Home
Local Area Network
LAN network use in School Computer Lab and Home

5. Wide Area Network By Connecting a lot of LAN together,
We can form a bigger network call WAN Network
A WAN Network is also known as the “INTERNET”

6. Internet
The Internet is a global network connecting millions of computers.
That means all computer network around the world are connected together to form a very big network we called “Internet”.

7. What do we need to be connected?
To do that we will need
A working computer
A working Telephone line
A working internet connection provided by ISP
Network Cables
A Modem

8. What can we do on the internet?
Browse Websites for information
Send and receive s
Download media files (Music and Videos)
Online Shopping
Social networking
Create websites or blog
Online communications
Reading OnlineNews
And more etc…

9. Browsing websites
To browse or surf the internet to access WebPages we would need Web Browser.
Examples of popular web browsers are
Internet explorer
Mozilla Firefox
Google Chrome
Opera

10. The WWW (World Wide Web)
This WWW is a web server which contain websites.
A website is a group of web pages
A Webpage can contain information such as text, images, videos and sounds.

11. URL(Uniform Resource Locator)
Each website will have its special address or URL.
Example
URLs will have the format 'http' and a domain (such as .uk)

12. Hyperlink We can navigate websites by clicking on a Hyperlink
By clicking Hyperlink, it will lead user to another webpage.

13. Summary Types of network
LAN (Small network) and WAN (Big network)
Internet – Network connecting millions of computer together
The Equipment needed to get connected
Web browser needed to surf WebPages
WWW is a server that contain websites
URL is an unique address of a webpage
When clicking on a hyperlink, it will lead user to another webpage or site

14. http://news.bbc.co.uk Practical exercises Try navigating and read some
Open up Your Web browser and type this URL at the address bar
Try navigating and read some
News from that website.

15. Class work (Copy down) Question and Answers Q1.What is the internet?
Q2.What can we do with the internet?
Q3.What equipment do we need to connect to the internet?
Q4.What do we use to look at websites?
Q5.What is the differences between a website and a webpage?
Q6.What is a URL ?
Q7.What is a hyperlink?