What is a computer network?

• A. A collection of software applications
• B. A group of interconnected devices that communicate
• C. A single computer with multiple users
• D. A type of internet browser

Answer: (B)

A computer network is accurately defined as a group of interconnected devices that communicate with each other. This interconnected nature enables devices such as computers, servers, printers, and other endpoints to share resources, exchange data, and facilitate communication. Networks can vary in size, from small local area networks (LANs) connecting devices within a home or office to large wide area networks (WANs) that connect devices across cities or even countries.

This structure is foundational for enabling various services and functionalities such as file sharing, internet access, and communication services like email and instant messaging. In a well-configured network, devices can easily transmit and receive information, leading to improved efficiency and collaboration among users.

The other options do not encapsulate the concept of a computer network effectively. Software applications are tools used on individual devices, a single computer with multiple users describes a multi-user environment rather than a network, and an internet browser is merely an application for accessing the web, not a structure for communication between devices.