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The Internet

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Internet  refers to network of networks. In this network each computer is recognized by a globally unique address known as IP (Internet Protocol) address. A special computer DNS (Domain Name Server) is used to give name to the IP Address so that user can locate a computer by a name. The Internet, sometimes called simply "the Net," is a worldwide system of computer networks - a network of networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers). It was conceived by the Advanced Research Projects Agency (ARPA) of the U.S. government in 1969 and was first known as the  ARPANet . The original aim was to create a network that would allow users of a research computer at one university to "talk to" research computers at other universities. A side benefit of ARPANet's design was that, because messages could be routed or rerouted in more than one dire...

5G TECHNOLOGY

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5G  simply stands for fifth generation and refers to the next and newest mobile  wireless  standard based on the IEEE 802.11ac standard of broadband  technology , although a formal standard for  5G  is yet to be set. What is 5G? The most important thing to understand right now is that the standards for 5G have not been finalized yet. So, there is no “true 5G” and no “fake 5G” — just a bunch of different fast networks. William Webb, the author of  The 5G Myth  and the CTO at OpenSignal, said that “with 5G specifications unlikely to be finished before 2018 at the earliest, that means anything deployed before around 2020 will be pre-specification and hence not guaranteed to be aligned with 5G.” There’s also serious confusion about what spectrum 5G should use. Mobile carriers talk about low, mid and high-band spectrum. Low and mid are what are currently used for mobile networks, while  high-band spectrum  is more like a Wi-Fi ...