The document defines the Internet as a huge network of interconnected computers around the world that allows sharing of information. It explains that a network connects two or more computers to share files, communicate electronically, and exchange data through cables, wireless connections, satellites, or infrared light. The Internet provides advantages like access to vast information, powerful search tools, and the ability to research from home. However, it also presents disadvantages such as the spread of misinformation and viruses. The document outlines applications of the Internet such as online communication, software sharing, e-commerce, and customer support.

1. WHAT IS INTERNET:-
Internet is a huge network of computers ,which links many different types of computers all over the world
.It is a network of networks which share a common mechanism for addressing computers.

2. WHAT IS NETWORKS:-

3. DEFINITION OF
NETWORK:-
A Network consists of two or more computers that are linked in
order to share, exchange files or allow electronic communication .The
computer on a network may be linked through cables,
radiowaves,satellites,or infrared light beams.

4. ADVANTAGE OF
INTERNET:-
1.Information on almost every subject imaginable
2.Powerful search engines.
3.Ability to do research from your home versus, research libraries.
4.Platform for products likes SKYPE.
5.Information at various levels of study.

5. DISADVANTAGES:-
1.There is a lot of wrong information on the internet.
2.Internet has a lot of “cheater sites”.
3.Hackers can create viruses that can get into your personal computer.

6. APPLICATIONS:-
 1.online communication.
 2.software sharing.
 3.posting information of general interest.
 4.product promotion.
 5.online shopping.
 6.customer support service.

7. PRESENTED BY:
 CSE2015
Computer programming W/eng.
 Application of Internet