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Computer networks allow people and organizations to communicate more efficiently. They facilitate the sharing of hardware, software (such as printers and scanners) as well as data. This helps businesses cut costs and increase productivity. Computer networking lets you backup and restore files in the event of a disaster.

Communication In addition to instant messaging, email systems enable users to exchange information and collaborate more easily. It is an essential part of the day-to-day functioning of modern companies and organizations. It also lets users work remotely and access resources such as applications, file servers, printing devices and fax machines.

Sharing resources: Networking lets you to share the same equipment among multiple computers. This saves both time and money. It also improves the speed of moving large files and allows you to work with memory-intensive programs.

Increased security: It offers better data protection by requiring user ID and passwords to log in. It also prevents unauthorized users from using your devices, and lets you control how much bandwidth is allotted to each device. This keeps the network running smoothly.

The various types of computer networks are based on the way the devices are linked to one another for example, the ring topology, which looks like a circle and connects each device to two other devices, the bus topology that has a central line that includes connections for each device or the star topology, which has one central connection point to which all the other devices are connected to. It is important to look at the advantages and disadvantages of each one before making a decision on which one is the best for you.