WHAT IS iOS?

Simply put, the operating system is what stands between you and the physical device. It interprets commands from software applications (applications) and allows these applications to access device features, such as the multi-touch screen or memory. Mobile operating systems like iOS are different from most others because they put each app in its own protective shell, which helps prevent other apps from tampering with them. This makes it impossible for viruses to infect apps on mobile operating systems, despite other forms of malware. The protective shell around applications also poses limitations because it prevents applications from communicating directly with each other. iOS solves this problem by using scalability, a feature that allows one trusted app to communicate with another. iOS is Apple's mobile operating system that runs iPhone, iPad, and iPod T...