what is meant by computer network?
Open system: A network connected and ready to communicate system. Closed system: A system that is not connected to the network and cannot communicate with it. what is meant by computer network Computer network: Connecting multiple devices, also known as a host, connected to multiple channels to send / receive data or media. Computer networks may include multiple devices / media that facilitate communication between two different devices; These devices are called network devices and include, for example, routers, switches, hubs and bridges.