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A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing devices.While computers such as typical/mobile laptops are "mobile", the operating systems used on them are usually not considered mobile, as they were originally designed for desktop computers that historically did not have or need specific ...
[9] iOS formerly also powered iPads until iPadOS was introduced in 2019, and the iPod Touch line of devices until its discontinuation. [10] iOS is the world's second most widely installed mobile operating system, after Android. As of December 2023, Apple's App Store contains more than 3.8 million iOS mobile apps. [11] iOS is based on macOS.
The Open Systems Interconnection (OSI) model is a reference model from the International Organization for Standardization (ISO) that "provides a common basis for the coordination of standards development for the purpose of systems interconnection."
iOS features a hardened memory allocator known as kalloc_type that was introduced in iOS 15. Since the XNU kernel is primarily written in memory unsafe languages such as C and C++, [15] kalloc_type is designed to mitigate the large amount of vulnerabilities that result from the use of these languages in the kernel.
The Apple Intelligence platform is available in iOS 18.1 and beyond on the iPhone 15 Pro and iPhone 15 Pro Max models as well as the iPhone 16 and iPhone 16 Pro models. Apple Intelligence adds artificial intelligence (AI) capabilities and large language model integrations to Siri and other operating system functions, such as the Photos app. [3] [8] [9]
The first documented computer architecture was in the correspondence between Charles Babbage and Ada Lovelace, describing the analytical engine.While building the computer Z1 in 1936, Konrad Zuse described in two patent applications for his future projects that machine instructions could be stored in the same storage used for data, i.e., the stored-program concept.
iOS 11 is the eleventh major release of the iOS mobile operating system developed by Apple, being the successor to iOS 10. It was announced at the company's Worldwide Developers Conference on June 5, 2017, and was released on September 19, 2017.
This is a general memory hierarchy structuring. Many other structures are useful. For example, a paging algorithm may be considered as a level for virtual memory when designing a computer architecture, and one can include a level of nearline storage between online and offline storage.