What is the Internet and Intranet ?

What is the Internet?
The Internet is a global network that uses TCP / IP protocols to connect millions of computers worldwide. It can include different networks, such as private, public, organizational, academic, government, etc. It allows users to communicate with each other and share massive amounts of data in various formats. Internet is available in both modes, wired and wireless. In wired mode, the data travels through fiber optic cables, whereas in wireless mode, the data travels through radio waves.
What is Intranet?
An Intranet is a part of the Internet and is owned and used privately by an organization. It is mainly used to connect all the computers and establish a private network of an organization to provide employees the ability to collaborate on projects, manage or update information, share calendars, and to-do list, etc. Organizations prefer using Intranet to keep their data inaccessible from outsiders, making their suspicious data and project information secure. Intranet includes a firewall to prevent unauthorized users from accessing the network.

The websites created over Intranet look almost similar and act like any other website on the Internet. However, these websites are much more task-oriented than promotional design websites on the Internet. Like the Internet, the intranet's websites can also provide the interface to form communication in the shape of chatting, image sharing, audio-video conferencing, etc. All these activities can only be used by authorized users who have permission to access the Intranet network.

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