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.

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