What is a computer network? It is a set of computers linked to one another for sharing information, resources, and communicating. They can be directly wired by a cable connection or have a wireless connection. A network can be formed by $2$ or more computers connected and sharing data and resources with one another. They typically have common communicaiton protocols in order to interact with each other. Uses of computer networks include some of the following: sharing devices $($printers or scanners$),$ sharing files, communication $($video$,$ email, etc.$),$ sharing software, sharing programs on remote devices, and it also allows for easy access to share and maintain information.