The document provides an overview of computer networks, detailing their definition, types, architecture classifications, and topologies. It categorizes networks by size into personal area networks (PANs), local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs), explaining their characteristics. Additionally, it describes different network architectures including client-server, peer-to-peer, and hybrid, alongside various topologies such as bus, star, ring, mesh, tree, and hybrid topology.
This document provides an overview of computer networking, including its introduction, characteristics, applications, disadvantages, types of networks, network services, transmission mediums, protocols, and conclusion. It defines a computer network as a set of autonomous computers connected by a medium to exchange information. The document outlines different types of networks like LAN, MAN, and WAN and describes their key characteristics. It also discusses various network services, transmission mediums, and protocols that allow networks to function properly.