Delhi Police Constable Exam Model Paper 8

Wireless fidelity is the full form of Wi-Fi.

• Wi-Fi is a wireless local area network.
• It was introduced in 1997.
• It allows an electronic device to exchange data wirelessly using radio waves.
• Wi-Fi provides services in private homes, businesses, as well as in public spaces.
• Wi-Fi positioning systems use the positions of Wi-Fi hotspots to identify a device's location.