WIFI: Wireless Fidelity
WIFI also Spelled as Wi-Fi is a local area wireless technology. It allows an electronic device to transfer data or connect to the internet using ISM radio bands. It is an underlying technology of wireless local area network (WLAN). Wi-Fi allows computers and other devices to communicate over a wireless network.Wi-Fi network components are based on the one of the 802.11 standards developed by the IEEE and adopted by Wi-Fi alliance. It provides a standard way to connect with wireless network. Wi-Fi is the trademark of the Wi-Fi alliance and used as a brand name for products using the IEEE 802.11 standards.
Wi-Fi can be used on several types of devices like personal computers, video game console, smart phones, digital camera, tablet computers etc. You can use Wi-Fi to create a hotspot within the range of 20 meters (66 feet). It is less secure than wired connection because the intruder does not need the physical connection to use the Wi-Fi.
WiFi uses radio frequencies 2.4 GHz (there are three types that use this: 802.11 B,G and N) and 5.0 GHz (802.11 e) (not so sure about this, edits welcome)
Here is some amazing facts that you need to know:-
1. WiFi uses radio waves.
2. WiFi was originated in Hawaii in 1979.
3. WiFi has it’s own language.
4. You can connect too Many devices to The WiFi.
5. WiFi can travel far.
6. WiFi is not 100% secure. It’s hack able.
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