Computer networks enable people and companies to communicate more effectively. They allow for easy sharing of hardware (like scanners and printers) as well as software and data. This helps businesses cut costs and increase productivity. Computer networking also enables to backup and restore files, which is crucial in case of a disaster.

Communication: By using instant messaging and email systems, users can exchange information and collaborate more easily. It is an essential part of the day-to-day functioning of modern businesses and companies. It also enables people to work remotely and access resources such applications and file servers, printing devices and fax machines.

Resource sharing: Networking allows you to share the same equipment between multiple computers. This can save time and money. It speeds up the speed at which large files are transferred and lets you work with programs that require a lot of memory.

Security enhancements: It offers enhanced data security by requiring user IDs and passwords for logging in. It also stops unauthorized users from accessing your devices, and lets you to control the amount of bandwidth that is allocated to each device. This helps keep the network running smoothly.

The different kinds of computer networks are based upon how the devices are connected to each other, such as the ring topology which appears like an arc and connects each device to two other devices as well as the bus topology that includes a central line and connections for each device and the star topology, which has one central point of connection that all other devices are connected to. Each one has its pros and cons and you must be sure to consider which meets your requirements.

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