Introduction

The Internet is a global network of computers that are connected to each other to share information and resources. It allows users to communicate, access data, and exchange files instantly from anywhere in the world. The internet has become an essential part of modern life, connecting people, businesses, and governments.

Definition of Internet

The Internet is a worldwide system of interconnected computer networks that use the TCP/IP (Transmission Control Protocol / Internet Protocol) to communicate between devices. It is also known as the “network of networks.”

History of Internet

The Internet originated in the late 1960s with a U.S. project called ARPANET (Advanced Research Projects Agency Network). It was developed to share information among research institutions. Over time, it evolved and expanded globally. In the 1990s, the World Wide Web (WWW) was introduced, which made the Internet easily accessible to the public.

Basic Requirements for Internet Access

To use the Internet, the following components are required:

1. Computer or Smartphone – A device to access the Internet.
2. Modem or Router – Connects your device to the network.
3. Internet Service Provider (ISP) – A company that provides Internet access (e.g., Jio, Airtel, BSNL).
4. Web Browser – Software to view web pages (e.g., Chrome, Firefox, Edge).

Uses of Internet

1. Communication:
   Through email, video calls, social media, and instant messaging, people can communicate globally in seconds.
2. Education:
   Students can access online courses, digital libraries, and educational videos for learning.
3. Business:
   Companies use the Internet for online marketing, sales, customer support, and financial transactions.
4. Entertainment:
   People watch movies, play games, listen to music, and stream content online.
5. Online Shopping and Banking:
   Users can purchase products, pay bills, and transfer money securely over the Internet.
6. Research and Information:
   The Internet provides access to vast amounts of knowledge, helping in research and innovation.

Advantages of Internet

• Easy and instant communication.
• Access to unlimited information.
• Online education and remote work opportunities.
• Convenient shopping and banking.
• Helps in social networking and collaboration.

Disadvantages of Internet

• Risk of cybercrime and hacking.
• Spread of misinformation and fake news.
• Addiction to social media and online games.
• Privacy issues and data theft.
• Exposure to inappropriate content.