1. Mobile OS
and their types
Shakir hussain
Class B.E-VI

2. INTRODUCTION
• What is OS
• Operating systems provide a layer between applications
and computer hardware.
• It is the software that enables all the programs we use.
• The OS organizes and controls the hardware.
• OS acts as an interface between the user and the
machine hardware.

3. INTRODUCTION
• Mobile OS is some how different from the
Traditional computer OS.
• Mobile OS is limited in terms of capabilities and
Design
• Mobile devices are smaller in terms of physical
characteristic such as screen size and also less in
terms of memory, processing power.
• Scarce availability of battery power
• Limited amount of computing and communication
capabilities.

4. INTRODUCTION
• Due to that, they need different types of
operating systems depending on the
capabilities they support. e.g. a PDA OS is
different from a Smartphone OS.

5. INTRODUCTION
• What is Mobile OS
• A mobile OS is a software platform on
which other programs called application
programs, can run on mobile devices such
as PDA, cellular phones, smartphone and
etc

6. Mobile Operating
System Types
• There are many mobile operating systems.
• The followings are the most important ones:
– Symbian OS
– Windows Mobile OS
– iPhone OS
– Google Android OS

7. Symbian OS
• Symbian OS is 32 bit, which run on
different types of ARM architecture.
• It is a multitasking operating system and
very less dependence on peripherals.
• It is owned by some cell phone
manufacturers including
Nokia,Ericsson,Siemens,Motorola.

8. Symbian OS
• Symbian was the most popular smartphone OS until the
end of 2010, when it was overtaken by Android.
• Latest Symbian OS version is Symbian belle.

9. Symbian OS Features
• Data Caging
• Multimedia
• Security
• Internationalization support

10. Symbian OS
Conclusion
• Manufacturs point-of-view
• Strong Operating System
• But Now it’s use is decreasing
• Developers point-of-view
• Developing for Symbian brings limitations.
• A Symbian developer will only develop for
Symbian.

11. Windows OS
• Windows Mobile is a compact operating system
designed for mobile devices and based on Microsoft
Win32.
• It runs on Pocket PCs, Smartphones and Portable media
centers.

12. Windows OS
• Differente versions of windows OS.
– Pocket PC 2000
– Pocket PC 2002
– Windows Mobile 2003
– Windows Mobile 5
– Windows Mobile 6
– Windows Mobile 6.5

13. Windows OS
• And now latest Windows OS are
Windows Phone 7 Windows Phone 8

14. Andriod
• A software platform and operating system for mobile
devices
• Based on the Linux kernel
• Developed by Google and later the Open Handset
Alliance (OHA)
• Android platform was announced on 5 November 2007
with the founding of OHA

15. Andriod Advantages
• The ability for anyone to customize the Google Android platform
• The consumer will benefit from having a wide range of mobile
applications to choose from since the monopoly will be broken by
Google Android
• Features like weather details, opening screen, live RSS feeds and
even the icons on the opening screen will be able to be customized
• In addition the entertainment functionalities will be taken a notch
higher by Google Android being able to offer online real time
multiplayer games

16. Andriod
• Network Connectivity
– It supports wireless communications using:
 GSM mobile-phone technology
 3G and 4G
 Edge
 802.11 Wi-Fi networks

17. Andriod
• Security
• Android is a multi-process system, in which each
application (and parts of the system) runs in its own
process.
• Additional security features are provided through a
"permission" mechanism that enforces restrictions on the
specific operations that a particular process can perform.

18. Andriod
• This Operating System is used in
Samsung, HTC mobiles

19. iPhone OS
• iOS is Apple's mobile operating
system.
• Apple is company who developed
iPhone Operating System (iOS).
• This OS is released on June 29,
2007. This OS is also used in
iPad, iPhone.
• Latest iPhone OS is IO6.

20. iPhone OS Features
1. Home screen
2. Folders
3. Included applications
4. Multitasking
5. Switching applications

21. iPhone OS
• Conclusion
• This is the strong operating system but it is so
expensive.
• This is good for look and using.