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  2. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    Computer networks enhance how users communicate with each other by using various electronic methods like email, instant messaging, online chat, voice and video calls, and video conferencing. Networks also enable the sharing of computing resources. For example, a user can print a document on a shared printer or use shared storage devices.

  3. Network architecture - Wikipedia

    en.wikipedia.org/wiki/Network_architecture

    Network architecture is the design of a computer network. It is a framework for the specification of a network's physical components and their functional organization and configuration, its operational principles and procedures, as well as communication protocols used.

  4. Network - Wikipedia

    en.wikipedia.org/wiki/Network

    Social networking service, an online platform that people use to build social networks; Telecommunications network, allowing communication between separated nodes Computer network or data network, a digital telecommunications network Network hardware: Network switch, Networking cable; Wireless network, a computer network using wireless data ...

  5. Telecommunications network - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_network

    A telecommunications network is a group of nodes interconnected by telecommunications links that are used to exchange messages between the nodes. The links may use a variety of technologies based on the methodologies of circuit switching, message switching, or packet switching, to pass messages and signals.

  6. Local area network - Wikipedia

    en.wikipedia.org/wiki/Local_area_network

    A local area network (LAN) is a computer network that interconnects computers within a single physical location. It is the most common type of computer network, used in homes and buildings including offices or schools, [ 1 ] [ 2 ] [ 3 ] for sharing data and devices between each other, including Internet access .

  7. Network packet - Wikipedia

    en.wikipedia.org/wiki/Network_packet

    In general, the payload is the data that is carried on behalf of an application. It is usually of variable length, up to a maximum that is set by the network protocol and sometimes the equipment on the route. When necessary, some networks can break a larger packet into smaller packets. [6]

  8. Node (networking) - Wikipedia

    en.wikipedia.org/wiki/Node_(networking)

    A physical network node is an electronic device that is attached to a network, and is capable of creating, receiving, or transmitting information over a communication channel. [1] In data communication, a physical network node may either be data communication equipment (such as a modem , hub , bridge or switch ) or data terminal equipment (such ...

  9. Wide area network - Wikipedia

    en.wikipedia.org/wiki/Wide_area_network

    The textbook definition of a WAN is a computer network spanning regions, countries, or even the world. [3] [4] However, in terms of the application of communication protocols and concepts, it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different networks.