iPhone, iPad, iPod touch and Mac are devices invented and developed by Apple Inc., a company from Silicon Valley, which over time has innovated these devices and brought them to competitive standards. Compared to other companies in the Apple technological sphere has been detached and differentiated by design, reliability and the development of own operating systems for both MAC computers and MacBook laptops, as well as iPhone mobile phones and iPad tablets.
Apple Inc, develop two operating systems. OS X, for Mac and iOS, for mobile iPhone, iPad and iPod touch.