iOS

__iOS__

__Definition:__ iOS is the operating system for all mobile apple products. It is similar in many ways to Mac OS X, but iOS is used for iPhones, iPods, and iPads.

__History:__ iOS was first released with the very first iPhone. Ever since, software updates, some to fix minor bugs and others to change the entire look of the system, have been released whenever the company feels the need.

__Comparison:__

__Purpose:__ iOS allows users to use use apps, liten to music, and multitask while perserving battery life and performance. You can find the app store and iTunes store on every iOS device.

__Links:__ Learn more about apple iOS 4, the newest iOS operating system: __[]__

__References:__ Apple.com