What is a Computer Network?
Think of computer networking like your neighborhood postal system, but for digital messages. Every house needs an address, every person needs a name, and there's a post office that makes sure mail gets delivered correctly
What is a Computer Network?
A computer network is simply a group of devices that can talk to each other.
Just like houses in a neighborhood are connected by roads so people can visit each other.
Real-Life Example:
Your home WiFi network = Your neighborhood
Your laptop, phone, smart TV Different houses
Your router = The post office that delivers messages
Network Topologies
Diagram showing four main network topologies: bus, ring, mesh, and star with labeled illustrations.
Practical : Look around your room right now. Count how many devices are connected to your WiFi. Each one is part of your network!