This course provides an overview of computer networks and their role in web applications. It covers network types, architectures, connectivity, advantages, and limitations, offering foundational knowledge for understanding web applications.

Understanding computer networks and their components. Networking models: Peer-to-peer and client-server architectures. Network advantages and limitations. Types of networks and internet connectivity. Differences between the Internet and the World Wide Web.

Understand the fundamentals of computer networking. Differentiate between network types and architectures. Learn about internet connectivity and its types. Grasp the relationship between the Internet and the World Wide Web.

Module 1: Introduction to Computer Networks Definition of a Computer Network: Analogies: Railway Network, Airways Network. Components of a Computer Network: Computers, printers, scanners. Types of connections: cables, telephone lines, wireless. Speed measurement: Mbps. Standalone Computers vs. Networked Systems. Module 2: Models of Computer Networking Peer-to-Peer Architecture: Equal status of computers. No central server. Suitable for small networks (less than 12 computers). Client-Server Architecture: Central server providing services. Role of multiple clients requesting services. Dedicated servers: file servers, print servers. Module 3: Advantages and Limitations of Networking Advantages: Data and hardware sharing. Increased individual productivity. Sharing internet connections. Limitations: Security threats (e.g., hackers, viruses). Challenges with power outages. Managing large networks. High installation costs. Module 4: Types of Networks Local Area Network (LAN). Metropolitan Area Network (MAN). Wide Area Network (WAN). Personal Area Network (PAN). Module 5: Internet and World Wide Web Internet: A global network connecting millions of computers. World Wide Web: A collection of web pages accessed via the internet. Key Differences: Nature, governance, and usage. Module 6: Types of Internet Connectivity Dial-Up Connections. DSL (Digital Subscriber Line). Cable Internet Access. Mobile Connectivity: 3G, 4G, 5G. WiMAX and Wi-Fi.

Basic understanding of computers and technology. Interest in learning about networking and web applications.