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Computer networks allow people and organizations to communicate better. They enable easy sharing of hardware (like printers and scanners) as well as software and data. This allows businesses to cut costs and improve productivity. Computer networking lets you backup and restore files in the event of a catastrophe.

Communication: With instant messaging and email systems users can share information and collaborate more easily. It is an integral part of the day-to-day operations of modern companies and enterprises. It lets people work remotely, and access resources such as applications, file servers and printing devices.

Resource sharing: Networking helps you share the same piece of equipment across multiple computers which helps you save time and money. It improves the speed at the speed at which large files can be transferred and enables you to use memory-intensive programs.

Increased security – It boosts security of data by requiring user ID and password to sign in. It also blocks unauthorised users from using your devices, and lets you to control how much bandwidth is allotted to each device. This keeps the network operating smoothly.

The various types of computer networks are based upon how the devices are connected to one another like the ring topology, which looks like an oval and connects every device to two other devices as well as 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. You must examine the advantages and disadvantages of each one before choosing the one that is most suitable for you.