Presentation on the internet

1. The Internet
By Jessica Alldred
9B

2. What is the “internet”?
The internet is “a global computer network providing a
variety of information and communication facilities,
consisting of interconnected networks using
standardized communication protocols.”

3. What is the link between domain
names and IP addresses?
A domain name is the name of the website (e.g.
www.google.co.uk) that identifies it as belonging to a
particular domain whereas an IP address is a unique
string of numbers separated by full stops that identifies
each computer using the Internet Protocol to
communicate over a network.

4. Data packets and packet switching
Packet switching is a method of breaking data files into small
packets or chunks in order to send them across a network.
Once all the packets forming a message arrive at the
destination, they are recompiled into the original message.
A data packet is a unit of data made into a single package
that travels along a given network path.

5. What is the function of a router?
A router is a networking device that forwards data
packets between computer networks. The routers
determine where to send information from one
computer to another. It has the task of transferring a
data packet is from one router to another through the
networks until it reaches its destination.

6. Sources of information
 Teach IT
 Webopedia
 Wikipedia