User:Patharemilind/sandbox

“COMPUTER NETWORK ” A computer network, or data network, is a digital telecommunications network which allows nodes to share resources. In computer networks, computing devices exchange data with each other using communications( data links) between nodes. These data links are established over cable media such as wires or optics cable, or wireless media such as Wi-Fi. Network computer device that originate rout and terminate the data are called network nodes. Nodes can include host such as personal computer, phones, servers as well as networking hardware.