The document discusses several key aspects of how the internet works. It explains that the internet is a global network that provides information and communication worldwide. It describes how domain names provide an easy-to-remember address for websites, while IP addresses are the actual location programmed into the site. Data is sent over the internet in packets that are grouped, travel along a network path, and are reassembled at their destination. Routers help determine where to send information packets and allow internet signals to travel between thousands of devices connected to the network.

1. The Internet
The internet is a
global network
that gives
information and
communication
to the full world.
Google definition

2. Domain and IP Addresses
 The domain name is the address people type in
their web browser to get to your web site but the
real address programmed on the website is the IP
address which will get you straight to the page.
http://www.cyberindian.com/domain-registration/
article.php?article_id=72

3. Data packets and packet
switching
A data packet is a bit of grouped data made into a
single package that travels along a network path. Data
packets are used in IP addresses that navigates the
Web.
http://www.techopedia.com/definition/6751/data-packet
A mode of data transmission where a message is
broken into a number of parts which are sent on their
own then at the other end they are put back together
as they were at first
Google definition

4. The function of Routers
 An internet router works out what
information to send to what device and
can transmit a signal for an internet
connection. Routers signals travel on
thousands of invisible signals to and from
computers. Routers are used in packet
forwarding and packet filtering.
 http://computer.howstuffworks.com/internet/basics/internet-infrastructure3.htm