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Information about Internet and Networking

Dec 14, 2024

Lecture Notes on Internet and Networking

Introduction to the Internet

  • Process of starting the internet
  • It's essential to understand basic internet
  • Difference between the internet and a local network

Growth and Connectivity of the Internet

  • Stages of internet growth
  • Information on URL and portals
  • Internet services and applications
  • Meaning and use of email
  • Free mail services
  • Internet chatting: voice and text chat

World Wide Web (WWW)

  • Importance of web browsers
  • Information on search engines and HTTP
  • Web servers, web protocols, and network layer
  • 7 layers of the OSI model and TCP/IP protocol

Web Designing

  • Introduction to HTML, CSS, and JavaScript
  • Basic elements of website designing

What is a Network?

  • Definition of a network
  • Function of computer networks
  • Role of network protocols

Types of Networks

  • Nano network
  • Body Area Network (BAN)
  • Personal Area Network (PAN)
  • Local Area Network (LAN)
  • Campus Area Network (CAN)
  • Metropolitan Area Network (MAN)
  • Wide Area Network (WAN)

Functioning of the Internet

  • Type of internet: WAN
  • Importance of protocols
  • Fiber optic and wireless connectivity

Internet Services

  • Hypertext documents and web pages
  • Various applications like WWW, email, telephony, and file sharing

Internet Requirements

  • Role of ISP
  • Need for internet connection and modem
  • Personal computer and web browser
  • Search engine and website requirements

Advantages of the Internet

  • Online education
  • Music and movies
  • Job search and freelancing
  • Product selling and money-making mediums
  • Connection with IoT devices

Disadvantages of the Internet

  • Internet addiction and attention distraction
  • Threat to personal information
  • Risk of misinformation and viruses
  • Fraud and social isolation
  • Waste of time and unusual expenses

Summary

  • Basic information on the internet and network
  • Types and roles of networks
  • Internet requirements and its advantages-disadvantages