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The collection of addresses in the network is called the address space of the network. Examples of telecommunications networks include computer networks, the Internet, the public switched telephone network (PSTN), the global Telex network, the aeronautical ACARS network, [1] and the wireless radio networks of cell phone telecommunication providers.
A telecommunications network is a collection of transmitters, receivers, and communications channels that send messages to one another. Some digital communications networks contain one or more routers that work together to transmit information to the correct user.
A personal area network (PAN) is a computer network used for communication among computers and different information technological devices close to one person. Some examples of devices that are used in a PAN are personal computers, printers, fax machines, telephones, PDAs, scanners, and video game consoles.
A network of radio base stations forming the base station subsystem. The core circuit switched network for handling voice calls and text; A packet switched network for handling mobile data; The public switched telephone network to connect subscribers to the wider telephony network; This network is the foundation of the GSM system network.
There are also many networks that connect these devices, including computer networks, public switched telephone network (PSTN), [citation needed] radio networks, and television networks. Computer communication across the Internet is one of many examples of telecommunication.
The communications infrastructure of the Internet consists of its hardware components and a system of software layers that control various aspects of the architecture. As with any computer network, the Internet physically consists of routers, media (such as cabling and radio links
Broadcasting is the most general communication method and is also the most intensive, in the sense that many messages may be required and many network devices are involved. [1] This is in contrast to unicast addressing in which a host sends datagrams to another single host, identified by a unique address.
Computer network engineering is a technology discipline within engineering that deals with the design, implementation, and management of computer networks.These systems contain both physical components, such as routers, switches, cables, and some logical elements, such as protocols and network services.