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PDF/UA (PDF/Universal Accessibility), [1] formally ISO 14289, is an International Organization for Standardization (ISO) standard for accessible PDF technology. A technical specification intended for developers implementing PDF writing and processing software, PDF/UA provides definitive terms and requirements for accessibility in PDF documents and applications. [2]
The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone industry with its multi-touch interface and lack of physical keyboard.
The iPhone 7 and iPhone 7 Plus [a] are smartphones that were developed and marketed by Apple Inc. They are the tenth generation of the iPhone.They were announced on September 7, 2016, at the Bill Graham Civic Auditorium in San Francisco by Apple CEO Tim Cook, and were released on September 16, 2016, succeeding the iPhone 6, iPhone 6 Plus, iPhone 6S and iPhone 6S Plus as the flagship devices in ...
In June 2013 with iOS 7, the multitasking view was redesigned. By double-clicking the home button, the multitasking view appeared as cards. Each card listing from left to right, under which lies the icon with its app name, was a screenshot of the corresponding app. Besides, on the most left place, there was a screenshot of the home screen as well.
The first-generation iPhone SE (2016) features the same 12 MP camera found on the iPhone 6S, with the same 4K and high frame rate video capability, but its front camera only has 1.2 megapixels, like the iPhone 5 and 5s. The 2016 iPhone 7 features optical image stabilization on its rear camera, a feature that was previously exclusive to the Plus ...
Multitasking is mentally and physically stressful for everyone, [3] to the point that multitasking is used in laboratory experiments to study stressful environments. [4] Research suggests that people who are multitasking in a learning environment are worse at learning new information compared to those who do not have their attention divided ...
Multitasking was introduced on the iPad, after being introduced to the iPhone and iPod Touch in iOS 4. [12] Multitasking gestures were only available on the iPad 2. [13] The iPad keyboard could be undocked from the bottom of the screen, and can be split into two half-keyboards. [13] Siri, Apple's voice assistant, is introduced on the iPhone 4s.
The goal of a sliding form factor is to allow the operator to take advantage of full physical keyboards or keypads, without sacrificing portability, by retracting them into the phone when they are not in use. Many different companies have developed smartphones that slide: Samsung has the Corby and BlackBerry has the Torch.