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Computer Networks: An Overview
What is a Computer Network? A computer network is a collection of computers, servers, mainframes, network devices, and other devices connected to share data and resources. These devices can communicate with each other over a variety of transmission media like cables, wireless connections, or satellite links. A network enables resource sharing such as files, printers, and internet access between connected devices. How Do Computer Networks Work? Networks work by using protocols to govern the communication between devices. These protocols include TCP/IP, HTTP, FTP, and many others. These protocols define the rules for data transfer, error checking, and communication between devices. A network can be connected via wired (e.g., Ethernet) or wireless (e.g., Wi-Fi, Bluetooth) connections. Routers and switches play key roles in routing data efficiently across the network. Advantages of Computer Networks: Resource Sharing: Users can share resources like printers, files, and internet conn...
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