1. A personal area network (PAN) is a computer network created for an individual person.
2. The telephone system allows us to talk to any person in the world at any time.
3. A computer network enables two or more computers to share data and hardware resources.
4. In a network, modification or upgrading of the software or data is done at a single point only.
5. The computers that communicate with each other are called nodes.
6. A network maintained without using wires is called wireless networking.
7. Local area network (LAN) and metropolitan area network (MAN) are the different types of networking.
8. Network topology refers to the layout in which various components of a network are connected and communicate with each other.