What defines a computer network?

The definition of a computer network is accurately captured by the description of a group of computers and related devices that are interconnected in such a way that they can share information. This connectivity allows users to communicate, share resources like printers and storage, and access data across different systems.

In a network, computers are able to exchange data, facilitate collaboration, and enhance efficiency through shared access to files and applications. This interconnectedness can occur through wired or wireless methods and can operate over short or long distances, creating vast networks, such as local area networks (LANs) or wide area networks (WANs).

In contrast to this definition, the other choices describe systems that lack the essential characteristic of interconnection. A single computer used for data processing describes an individual machine not sharing resources with others. A standalone system indicates isolation from the network, and a device that only stores files locally emphasizes a lack of network capabilities. Thus, these alternatives do not align with the concept of a network where multiple devices interact and exchange information collectively.