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Your computer has a central processor, storage, keyboard and numerous input and output ports. One of the ports the RJ-45, an eight-wire connector enables you to connect your computers onto a local-area networks (LAN). A LAN allows connecting to other computers, printers, storage devices and other communication devices.

A LAN may also wireless or a combination of wired and wireless. WiFi technology allows an almost unlimited number of devices to be connected to a LAN very easily.

Most Internet connection are still wired through a router to the providers cable or fiber connection.

The Internet

The Internet is the world wide system of interconnected LANs that use the Internet protocol suite to link devices. It is a web of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents and applications of the World Wide Web (WWW), electronic mail, telephony, and peer-to-peer networks for file sharing.

The Internet also allows off line storage of information.

The Internetof Things (IoT)

The Internet of things is the child of sensors that we have had for a long time and the speed and storaga capacity of the Internet.

The Global Standards Initiative defines the Internet of Things (IoT) as the network of physical objects or "things" embedded with electronics, software, sensors, and network connectivity, which enables these objects to collect and exchange data.

One of the simplest IoT home appliances is the WiFi connected automatic vacuum cleaner. The device maps your house an knows exaclly how much of it it has cleaned and how much is left to do. It also remembers the last three times it cleaned your floors. Such a simple machine could be connected to a server but selling the vacuum and server would be an expensive proposition. It is easier to sell the vacuum and a service contract.

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The Cloud

The cloud is another name for the Internet. It allows you to store vast amounts of information through a cloud providor such as Microsoft. Once there you have the ability to share your information with anyoune you wish at a price you may charge. You also have the ability to access information stored by others as long as you are willing to pay.

The beauty of the Cloud.

As we pointed out, the cloud is another word for the Internet. The purpose or use is somewhat different. It started as off site storage but morphed into shared information and processing. T allows numrous users, for example healthcare proffessionals, to share and compare information on diseases and possibly come up with a cure for a disease.

It also allows devices available to you such as Amazons Alexa to access Amazons music collection and select the composition you ask for. Or for a vacuum cleaner to map your home and know what areas it cleaned and what areas still have to be done.

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