Wireless networks are most basically described as a linking tool with no wires that enables you to pass data between devices on that network. For example you can print a document from a printer not connected by wire to your computer, which can even be in another room. Almost all computers now make use of networks connecting them to other computers. This can mean a few computers around the house, or the billions around the world via the internet. Traditionally, all computers had to be connected physically by a cable in order to be part of a network. They are now generally implemented with a kind of remote information system that uses electronic radio waves for connectivity.
There are four types of wireless networks:
1. Wireless PAN (Personal Area Network) – covers only a small area an example of this is Bluetooth.
2. Wireless LAN (Local Area Network) – covers a larger area than PAN such as an office.
3. Wireless WAN (Wide Area Network) – covers a large area such as a network of offices.
4. Mobile Networks – used to transfer data between other mobile devices such as smartphones or hand-held tablets.
The main reason wireless technology is useful is the convenience offered by the mobility it allows. Before, people were restricted by the wires connecting them to their networks. This never used to be an issue as computers were big and bulky, but with advancements in technology and the increase in wireless devices such as mobile phones and laptops people do not want to be physically limited by cables in order to work. A wireless network is a solution to this problem and allows people to access and share information more freely.
Another advantage of wireless networking is that the mess created by having cables on show in order to keep everything connected is no longer needed.
This is a great advantage for businesses in particular as often they can have hundreds of computers in one office and peripheral equipment such as printers and scanners – all of which originally would have had to be connected to the computers physically by cables.
Wireless networks are also extremely inexpensive and are a cost-efficient way of sharing files and data through a group of devices. All in all, wireless connectivity is reliable, superficial, fast, flexible and easy to access. It offers rapid speed and consumes very little time. It is an answer to all your connectivity needs and gives you instant access to the wider world without having to leave your desk.
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