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Prepared by

Arul Bal

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Contents

What is Mobile OS? Symbian OS Android iPhone OS Windows Mobile Palm OS Conclusion

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What is Mobile OS?

An operating system (OS) is an interface between hardware and user, It manages the hardware and software resources of the system

The operating system that controls mobile device is called Mobile OS. They are simple and deal with the wireless versions of broadband and local connectivity, mobile multimedia formats and different input methods etc

A layer structure showing where operating system is located

(Structure of OS)

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SYMBIAN OS

Symbian OS is a mobile operating system, developed by Symbian Ltd. Symbian is a software licensing company - its core business is to supply the

advanced, open operating system for data-enabled mobile phones.

Some of the Features of Symbian OS Runs on battery powered devices has low power consumption Designed for devices with limited memory It is an open operating System, so 3rd party developers can write applications. Reliable and stable Applications can run for years without being closed or

losing user data. Provides an Object Orientated C++ API

Software development Language: C++ Symbian SDK: contains documentation, header files, library files & an emulator Symbian devices can also be programmed using Python, Java ME, Flash Lite,

Ruby, .NET and Standard C/C++.

copyrights TA Interactive. (Home Screen)

(Menu Screen) (Applications Menu)

OS Layers

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ANDROID Android is an operating system and software platform for mobile devices that

uses a modified version of the Linux kernel It was initially developed by Android Inc.- a firm later purchased by Google. Android has seen a number of updates since its original release: 1.0(Relese

1), 1.5(CupCake), 1.6(Donut), 2.0(Eclair) and 2.1(Flan - current Version)

Some of the Features of Android OS Android is open and Free Uses proven technologies like Java, XML and Linux Voice Typing For All Text Fields. Multi Tasking.

Software development Language: Java Android SDK includes a debugger, libraries, a handset emulator,

documentation, sample code, and tutorials. Android has two debuggers ADB (Android Debug Bridge) and DDMS (Dalvik

Debug Monitor Server)

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(Android Home Screen) (Android Virtual KeyBoard)(Android Menu) (Using Google Map)

OS Layers

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Android ApplicationsApplications available in the android website, but apps can only be downloaded via the device.

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iPhone OS iPhone OS is a mobile operating system developed by Apple Inc. It is the default OS of iPhone, iPod Touch and the upcoming iPad. The user interface of iPhone OS is based on multi-touch gestures.

Some of the Features of iPhone OS Multi-touch User interface POP/IMAP/SMTP e-mail Background Processing

Software development Language: Objective C IDE: XCode OS: Mac OS X Leopard or later

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(Home Screen) Touch Keyboard

OS Layers

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Windows Mobile Windows Mobile is a compact mobile OS developed by Microsoft. It is designed for use in smart phones and mobile devices. Two variants of Windows Mobile are Windows Mobile Professional (for

touch screen devices) and Windows Mobile Standard. Windows mobile is based on the Microsoft Win32 API

Some of the Features of Windows Mobile Windows mobile supports both touch screen and physical keyboard

configurations. Third-party software development is available for Windows Mobile. Mobile Office.

Software development Languages: VC++.NET, C#.NET or VB.NET IDE: Visual Studio 2005 Standard Edition or above Windows Mobile Device Center: It is designed to synchronize various

contents (like music, video, contacts etc.) between Windows Mobile devices and the Microsoft Windows operating system

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(Palm OS Layers)

(Home Screen) (Menu) (Notepad & Touch Keyboard)

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Palm OS

Palm OS is a proprietary mobile operating system, designed in 1996 by Palm Computing, Inc.

Palm OS is designed for ease of use with a touch screen-based graphical user interface

It has been implemented on a wide array of mobile devices, including smart-phones, wrist watches, handheld gaming consoles, barcode readers and GPS devices.

Some of the Key Features of Palm OS Simple, Multi-tasking environment Handwriting recognition input system TCP/IP network access

Software development Language: C/C++ IDEs: CodeWarrior Development Studio, PRC-tools based gcc.

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OS Layers

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Conclusion

Symbian has the largest share in most markets worldwide. RIM BlackBerry OS, 20.9% holds the second place, iPhone OS from Apple Inc., 13.7%, Windows Mobile from Microsoft, 9%, Android from Google Inc., 2.8% , Others including Palm and Linux hold 3.3% of 2009 market shares.

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