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