A computer network is a collection of interconnected devices (such as computers, servers, switches, routers, and other hardware) that communicate with each other to share resources, exchange data, and provide services. Networks can be set up in a variety of ways depending on the specific needs of users or organizations, and they can vary in size from small home networks to large-scale enterprise or global networks.
Key components of a computer network include:
Devices: Computers, servers, printers, mobile phones, and other hardware that connect to the network.
Transmission Media: Physical or wireless connections that carry data between devices, such as Ethernet cables, fiber optics, or Wi-Fi signals.
Networking Hardware: Equipment that facilitates data transmission, like routers, switches, hubs, and modems.
Protocols and Standards: Rules and conventions that govern how data is transmitted, ensuring compatibility and reliability. Common protocols include TCP/IP, HTTP, FTP, and more.
Network Services: Functions provided by the network, such as file sharing, email, web hosting, and other applications.
Network Architecture: The design and layout of the network, including the topology (such as star, mesh, or ring), as well as the network's scale (local area network, wide area network, etc.).
Computer networks are used in a wide range of applications, from enabling communication and collaboration within an office to connecting users to the internet, supporting cloud services, and much more.
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