Network systems

A network system is a system which connects 2 or more electronic devices and enables the communication between them.

electronic devices connected to networks

 * In the last episode of Dragon Ball Z vs Star Trek, there is stated that many doors in the territory of the federation are controlled via network and that in such networks, there is a central server where the access rights of all doors in the network are saved.

network programming devices

 * In the last episode of Dragon Ball Z vs Star Trek, there is shown an unspecified network database program similar to [MySQL].