The document provides an overview of computer networking fundamentals including definitions of computer network and standalone computer. It discusses the benefits of computer networks such as sharing of resources like printers, scanners and software applications. Common uses of networks mentioned are information sharing, file transfer, data storage and security. Different types of network topologies like star, bus, ring and their features are outlined. Common network devices like hub, switch, router, gateway and their functions are explained. Different network cabling media such as twisted pair, coaxial, fiber optic and common connectors are described. The document also introduces network addressing and protocols.