Apple iOS

Apple iOS

iOS (originally iPhone OS) is a mobile operating system created and developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that presently powers many of the company's mobile devices, including the iPhone,...

Name Apple iOS
Release Date June 29, 2007
Developer Apple
Manufacturer Apple
Max Controllers
Cpu 64- and 32-bit ARM architectures: iOS 7 and later (ARMv8-A) iPhone OS 3 and later (ARMv7-A) iPhone OS 1–iOS 4.2.1 (ARMv6)
Memory
Graphics
Sound
Display Touchscreen
Media
Notes iOS (originally iPhone OS) is a mobile operating system created and developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod touch. <br /> <br />Originally unveiled in 2007 for the iPhone, it has been extended to support other Apple devices such as the iPod Touch (September 2007), iPad (January 2010), iPad Mini (November 2012) and second-generation Apple TV onward (September 2010). As of January 2015, Apple's App Store contained more than 1.4 million iOS applications, 725,000 of which are native for iPad. These mobile apps have collectively been downloaded more than 100 billion times. It had a 21% share of the smartphone mobile operating system units shipped in the fourth quarter of 2012, behind Google's Android. By the middle of 2012, there were 410 million devices activated. At WWDC 2014, Tim Cook said 800 million devices had been sold by June 2014. During Apple's quarterly earnings call in January 27, 2015, Apple announced that they have now sold one billion iOS devices. <br /> <br />The user interface of iOS is based on the concept of direct manipulation, using multi-touch gestures. Interface control elements consist of sliders, switches, and buttons. Interaction with the OS includes gestures such as swipe, tap, pinch, and reverse pinch, all of which have specific definitions within the context of the iOS operating system and its multi-touch interface. Internal accelerometers are used by some applications to respond to shaking the device (one common result is the undo command) or rotating it in three dimensions (one common result is switching from portrait to landscape mode). <br /> <br />iOS shares with OS X some frameworks such as Core Foundation and Foundation; however, its UI toolkit is Cocoa Touch rather than OS X's Cocoa, so that it provides the UIKit framework rather than the AppKit framework. It is therefore not compatible with OS X for applications. Also while iOS also shares the Darwin foundation with OS X, Unix-like shell access is not available for users and restricted for apps, making iOS not fully Unix-compatible either. <br /> <br />Major versions of iOS are released annually. The current release, iOS 8.4, was released on June 30, 2015. In iOS, there are four abstraction layers: the Core OS layer, the Core Services layer, the Media layer, and the Cocoa Touch layer. The current version of the operating system (iOS 8), dedicates 1.3-1.5 GB of the device's flash memory for the system partition, using roughly 800 MB of that partition (varying by model) for iOS itself. It runs on the iPhone 4S and later, iPad 2 and later, all models of the iPad Mini, and the 5th-generation iPod Touch and later.
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