Unit - 3 Introduction to Computer Network

1. Introduction to networks

2. Types of network: LAN, MAN, WAN, PAN.

3. Network Topology: Point-to-Point, Bus, Star, Ring, Tree, Mesh, Hybrid.

4. Network Devices: Modem, Repeater, Hub, Switch, Bridge, Router, gateway

5. Introduction to Internet, URL, WWW and its applications - Web, email, Chat, VoIP.

6. Website: Introduction, difference between a website and web page, static vs. dynamic web page, web server and hosting of a website.

7. Web Browsers: Introduction, commonly used browsers, browser settings, add-ons, extensions and plug-ins, cookies