10 Misconceptions Your Boss Has About 부천스웨디시
https://www.evernote.com/shard/s539/sh/16ad45f7-22ee-4d32-857d-d621df661b18/27162d7b07bc77cc13104dd5cf770f51
A computer network is a collection of two or more pcs with interaction among them through a medium. The communication medium can be via radio waves, wires, infrared, optical fibers and so on.