Computer networks allow people and organizations to better communicate. They enable easy sharing of software, hardware (such as scanners and printers) and information. This helps businesses reduce costs and improve productivity. Computer networking also allows to back up and restore files, which is crucial in the event of a disaster.

Communication: Using instant messaging and email systems, users can exchange information and collaborate more quickly. It is an essential component of the day-to-day operations of modern businesses and enterprises. It also allows people to work remotely and access resources such as applications and file servers, printing devices, and fax machines.

Resource sharing: Networking lets you share the same equipment among multiple computers, which can save time and money. It also speeds up the process of moving large files and helps you work with memory-intensive programs.

Improved security – It improves data protection by requiring a user ID and password to log in. It also prevents unauthorized users from accessing your devices, and allows you to decide how much bandwidth is allotted to each device. This helps keep the network running smoothly.

Different types of computer networks can be classified by the way that devices are connected. For example a ring topology which resembles a circular shape, connects two devices, a bus topology, which has a central line that connects all devices or a star topology that has one central point of connection to which all other devices are connected. You must carefully examine the pros and cons of each one before deciding which is best for you.

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