WI-FI
Wi-Fi, which stands for “Wireless Fidelity”, is a radio technology that networks computers so they connect to each other and to the Internet without wires .Users can share documents and projects, as well as an Internet connection among various computer stations, and easily connect to a broadband Internet connection while traveling. By using a Wi-Fi network, individuals can network desktop computers, laptops and PDAs and share networked peripherals like servers and printers.A Wi-Fi network operates just like a wired network, without the restrictions imposed by wires. Not only does it enable users to move around be mobile at home and at work , it also provides easy connections to the Internet and business networks while traveling .The technologies used in this field are one of the best in the wireless space . It is fairly easy to set up a Wi-Fi enabled network at home or a small office.