Wifi questoins.?

what is wifi.if a device have inbuilt wifi then do we inevitability to take an internet connecton or we can connect short using a router.

Answer:
wi-fi means "WIRELESS-FIDILITY" it simply like to wireless network. wi-fi is not a single device, but it is a technology. so while using the internet using this technology you need a wireless router, wireless LAN card also and some other equipments

For adjectives wi-fi questions messages at "welcome_deepak2006@yahoo.com" i have the complete project on "wi-fi" technology.
you still entail to subscribe with an ISP (internet service provider) and buy a router that have wireless connectivity.
you will always want a router for wifi a router sends the signal wirelessly so lets articulate your laptop could pick it up
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