There are four main operating systems for the four main varieties of tablet, all of which offer slightly different levels of complexity and different apps, so this can be a key choice to make when picking up a new tablet. (telegraph.co.uk)
Apple just announced new features coming this fall to its four main operating system platforms — watchOS for Apple Watch, tvOS for Apple TV, iOS for iPhone and iPads, and the newly renamed macOS for Macs (previously OS X). (ecoustics.com)
Apple just announced new features coming this fall to its four main operating system platforms — watchOS... (ecoustics.com)