iOS - Operating System

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. Exclusively for its hardware. It presently powers many of the company's mobile devices, including the iPhone, iPod touch, I pad. It is the second most popular mobile operating system globally after Android.

Originally unveiled in 2007 for the iPhone, iOS has been extended to support other Apple devices such as the iPod Touch and the iPad. On March 2018, Apple's app store contains more than 2.1 million iOS applications, 1 million of which are native for iPads.

The iOS user interface is based on direct manipulation using multi-touch gestures. Internal accelometers are used by some applications for responding to shaking the device or rotating it in 3 dimensions. Apple has been significantly praised for incorporating thorough accessibility functions into iOS, enabling users with vision and hearing disabilities to properly use its products.

Major versions of iOS are released annually. The current version, iOS 12 was released on September 17, 2018. It is available for all iOS devices with 64-bit processors. On all recent iOS devices, iOS regularly checks on the availability of an update, and if one is available, will prompt the user to permit its automatic installation.

The iOS is famous for its features like home screen, system fronts, folders, multitasking ability, siri & game center.

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