Mobile Operating Systems

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Over the past decade, smartphones have taken the world by storm and recently, tablets have entered into the arena as well. These mobile devices are having a significant impact on our lives and are in fact redefining the way we access information and communicate with others. This is due to not only the hardware but the specialized software that these devices run and most importantly, their operating systems. Just like a PC can run different operating systems (like Windows, Linux, BSD etc.) or different versions of the same operating system (like Windows XP, Windows Vista, Windows 7 etc.), most smartphones can also run different versions of the operating system they were made for and in exceptional cases, they might even be able to run operating systems they weren’t made for. They can be classified in the following manner. 1.Manufacturer-built proprietary operating systems

Apple iOS
RIM BlackBerry OS
Bada from Samsung Electronics
2. Third party proprietary operating systems
Microsoft Windows Phone 7
Microsoft Windows Mobile
3. Free & open source operating systems
Let’s now take a look at some popular operating systems
1.Apple iOS
Apple's iPhone OS was originally developed for use on its iPhone devices. Now, the mobile operating system is referred to as iOS and is supported on a number of Apple devices including the iPhone, iPad, iPad 2 and iPod Touch. The iOS mobile operating system is available only on Apple's own manufactured devices as the company does not license the OS for third-party hardware. Apple iOS is derived from Apple's Mac OS X operating system.

Excellent UI
The largest number of applications available, exceeding all others combined •Apple validates applications
Consistent UI across devices
Frequent free OS updatesClosed architecture
No assisted GPS and Haptics
Can't be unlocked
No multi-tasking for applications although it is promised for the future. •Applications must be approved by Apple before being made available via the Marketplace •No Adobe Flash support

2.Blackberry OS BlackBerry OS is produced by Research In Motion (RIM), and has been very successful in the corporate and government markets. It offers the best integration with corporate mail systems and offers excellent security.

Excellent integration with company mail systems
Secure send and receive email using proprietary encryption •Applications better targeted at the corporate environment than other OS application offerings •Multi-tasking
Phones available from most service providers
Support for Adobe Flash 10 in a future update
Assisted GPS on some devicesClosed architecture
Limited number of devices to choose from - all from Research In Motion •Very few touch-screen models
Limited number of applications available
Dated UI
Application development is more complex and difficult that other OSes •Applications tend to be more costly

3.Android OS The Android mobile operating system is Google's open and free software stack that includes an operating system, middleware and also key applications for use on mobile devices, including smartphones. Earlier versions required considerable additional effort by the device makers, but Google has now built in support for many hardware standards reducing this effort. Google has also continually added new features and improvements, and...
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