Computer networks allow individuals and organizations to better communicate. They facilitate sharing of hardware (like printers and scanners), software and data. This allows companies to cut costs and increase productivity. Computer networking lets you backup and restore your files in the event of a disaster.
Communication: With instant messaging and email systems users can share information and collaborate more quickly. It is a vital part of the daily functioning of modern businesses and enterprises. It enables employees to work remotely, and access resources like applications, file servers and printing devices.
Resource sharing: Networking helps you share the same equipment across multiple computers, which helps you save time and money. It also increases the speed of moving large files and helps you work with demanding applications that use memory.
Increased security: It offers improved data protection by requiring user ID and passwords to sign in. It also prevents unauthorized users from accessing your devices, and lets you to control how much bandwidth is allotted to each device. This keeps the network operating smoothly.
The different types of computer networks are based on how the devices are connected to one another and how they are connected. For instance, the ring topology which appears like an oval and connects every device to two other devices or the bus topology, which has a central line, with connections for each device or the star topology that has one central connection point to which all other devices are connected to. It is important to look at the pros and cons of each before selecting the one that is right for you.