It is a worldwide system that has the following characteristics:
Internet is a network of interconnected computer networks worldwide / global system.
Internet using standard Internet Protocol (TCP / IP) of
Each computer on the Internet is identified by a unique IP address.
The IP address is (eg 110.22.33.114) identifies the location of the computer a unique set of numbers.
A special computer's DNS (domain name server) is used to give names to IP addresses, so that the user can search through a computer name.
For example, DNS server resolves the name http://www.smallshopper.net.com to a specific IP address uniquely identifies this web hosting computer.
Each user can have access to the Internet worldwide.
Intranet
Intranet is a system of more than one PC connected to each other.
In computer intranet are not available to the world outside of the internal network.
Typically, each company or organization has its own Intranet network and membership / that company employees can access their internal computer networks.
Each computer in the Intranet is also identified as an IP address is a computer in the LAN is unique.
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