Tuesday, 17 April 2012

Smart phone

Smart phone 

A smart phone is a mobile phone built on a mobile computing platform, with more advanced computing ability and connectivity than a feature phone. The first smart phones were devices that mainly combined the functions of a personal digital assistant (PDA) and a mobile phone or camera phone.

Today's models also serve to combine the functions of portable media players, low-end compact digital cameras pocket video camera, and navigation units. Modern smart phones typically also include high-resolution touch screens, web browsers that can access and properly display standard web pages rather than just
mobile-optimized sites, and high-speed data access via Wi-Fi and mobile broadband.

The most common mobile operating systems (OS) used by modern smart phones include Apple's iOS, Google's Android, Microsoft's Windows Phone, Nokia's Symbian, RIM's BlackBerry OS, and embedded Linux distributions such as Maemo and MeeGo. Such operating systems can be installed on many different phone models, and typically each device can receive multiple OS software updates over its lifetime.


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