Connectivity




     Wi-Fi
     Wi-Fi is not only a technology.It allows electronic devices to connect to a wireless LAN network.Wi-Fi allows any device within its range to access or connect intenet the resources of the WLAN network.But is usually password protected,so You need to access you must have to knw the password. Wi-Fi Certified trademark can only be used by Wi-Fi products.Its range of about 20 meters (66 feet). When you use this It blocked radio waves.You may know Wi-Fi has adopted various encryption technologies.




     Bluetooth
     A wireless technology thet exchanging data over short distances is called Bluetooth.Now a day its not a important thing for smartphone users.Because many software/application same worked like Bluetooh.People can share photo,documents without it.Anyone can easily share by those software/application.The IEEE standardized Bluetooth as IEEE 802.15.1,Now,Bluetooth is not attract smartphone users because it has no longer maintains the standard.




     GPS
     Global Positioning System is called GPS.The GPS system operates independently of any internet reception.You can use it to track any people location.Every smartphone include GPS option.Its very useful to connect people.The GPS system provides commercial users,critical positioning capabilities to military around the whole world.Highly demands on the existing system have now led to efforts to modernize the Global Positioning System.You may know developed the system, which originally used 24 satellites and classified engineering design studies from the 1960s.




     USB
     Universal Serial Bus is called USB.communications protocols need in a bus for connection.It has become commonplace on other devices like as Smartphone.USB has effectively replaced another variety of earlier interfaces.Its helps to charge a smartphone also.Its is very useful for smartphone users.Now a days It is currently developed by the USB Implementers Forum.

















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