The document presents a comparative study of different mobile operating systems. It discusses Android, iOS, Windows Phone OS, BlackBerry OS and Symbian OS. It provides a brief history of the evolution of mobile OSs and an overview of each system. Key differences are identified, such as open vs. closed source code and the number of available apps. Advantages and disadvantages of each OS are outlined. The importance of understanding differences between mobile OSs is discussed.

1. Date: 24 July, 2013
Group Members:
Name: Zulkar Naim ID: 2010000000039
Name: Mosarrof Hossain, ID: 2010000000009
Name: Shahidul Islam, ID: 2010000000007
Course Code: CSE-4000
CourseTitle: Research Methodology
Supervised by:
Nafisa Khanam Siddika
Southeast University, Dhaka
Presentation on-
Comparative Study on Different Mobile
Operating System(OS)

2. Contents
 What is OS?
 What is Mobile OS?
 List of Mobile OSs
 Evolution of Mobile OSs
 Short Overview on different Mobile OSs
 Open Source/Closed Source
 Comparison in case of AppsAvailability
 Advantages & Disadvantages
 Importance to know about the comparison among Mobile OSs
 WhatWe’re going to do more before Final.
 References

3. What is Operating System(OS)?
 An Operating System(OS) is a very basic and essential
software to operate a system.
 An operating system is the most important
software that runs on a computer or mobile.
 It mange computer's memory, processes, and all of
its software and hardware.
 Without an Operating System, a System(Computer/Mobile)
is useless.

4. What is Mobile OS?
 A Mobile OS(Operating System) is a very basic and essential
software to operate a Mobile System.
 A Mobile OS is a software platform which is designed
specially for mobile to hande the devices like SmartPhone,
Tablet, PDA with lot of features and facilities.
 Example:
Android, iOS,Windows Mobile OS, Blackberry OS, Symbian
OS etc.

5. List of Mobile OSs
We’ve listed following eight different Mobile OSs-
 Android OS
 iOS
 Windows Phone OS
 BlackBerry OS
 Symbian OS
 webOS
 Firefox OS
 UbuntuTouch
N.B. - We’ll focus on Android OS, iOS,Windows Phone OS,
BlackBerry OS & Symbian OS to Compare.

6. Evolution of Mobile OSs
 1996 - 1998 – Palm OS launched upto 3.0Version [1]
 1999 – Blackberry Launched [2]
 2000 – Mircrosoft Pocket PC
 2001 – Microsoft Pocket PC 2002 & Palm OS 4.0 is launched
 2002 – Palm OS 5.0 launched
 2003 – Windows Mobile 2003 [1]
 2004 –Windows Mobile SE, Palm OS Cobalt
 2005 –Windows Mobile 5 , Blackberry 4.1 , GoogleAcquiredAndroid Inc
 2007 – iPhone OS 1.0[3],Windows Mobile 6, Blackberry 4.2
 2008 – iPhone OS 2.0, Blackberry 5.0 ,Windows Mobile 6.1, Android 1.0[4],
 2009 – Symbian launched[5], Android 1.1,Android 2.1 ( Later ) Blackberry OS
5, Windows Mobile 6.5 , Samsung Bada 1.0, iPhone OS 3.0 , HPWeb OS
 2010 – iPhone 4.0 , Blackberry 6,Windows Phone 7,Android 2.2 , Symbian OS
 2011 – Android 3.0 , iPhone OS 5 , Blackberry 7.0
 2012 – Android 4.1,Android 4.2, iPhone OS 6 , Blackberry 7.1

7. Short Overview on Android OS
 Android from Google Inc.
 Free and open source.
 Android was purchased by Google in 2005.[4]
 First released version in 2008.[4]
 52.0% of the global Smartphone market share till
April, 2013. [6]
 Mobile Manufacture Companies- Intel, HTC,
Samsung, Motorola and so on…

8. Short Overview on iOS
 iOS fromApple Inc.
 Closed source, proprietary.
 First released version in 2007.[3]
 Market Share 39.2% till April 2013. [6]
 Such as iPhone, iPod touch, iPad and second gen.
AppleTV.

9. Short Overview on Windows Phone OS
 Windows Mobile OS from Microsoft.
 Closed source, proprietary.
 First released version in 2003.
 Market Share 3.0% till April 2013. [6]
 Such as Nokia, Samsung , LG Optimus and HTC
Titan.

10. Comparison On Mobile OS

11. Comparison in Case of Apps Availability
 Android OS
About 796,098 available apps according to AppBrain till
23 July, 2013. [7]
 iOS
About 900, 000 available apps according to an article by
Sam Costello till June 2013. [8]
 Windows Phone OS
145,000 available apps till May 2013 according to
Windows Phone Blog. [9]

12. Comparison Between Open Source and Close
Source
 Open Source: It’s open!The Codes of the system are transparent.
- Larger Developer Support
- Free Of Cost
- Community Support
- Security Issues
- Ex:Android
 Close Source: The Source Codes of the system are not open
- Premium Facilities
-Third Party Support
- Security Issues
- Ex: iOS

13. Advantages & Disadvantages of Android OS
Advantages
 Open Source
 Lots of Free apps available in Google Play Store
 Easy notification alerts
 Home ScreenWidget
 Linux Supports
Disadvantages
 Unstable and intended to crash then other Mobile OS
 Apps might have bugs & those can be exploited by hackers
 Linux Commands are must to act as a Administrator
 Root is must to Upgrade
 Root process can make the Phone Dead.
 Most of the apps are required Internet connection to work on.
 The apps can’t be downloaded through PC from Google Play Store
 Consumes the battery early.

14. Advantages & Disadvantages of iOS
Advantages
 Most Stable and Secured mobile OS
 Beautifully Designed and Attractive Interface
 Apps are being tested before Publish
 High support for latestWeb Standards
 Well supports for could storage.
 Large number of apps are easily accessible in Apple Store.
Disadvantages
 iOS only works in Apple Hardware
 Costly
 Lack of FreeApps
 Not Open Source

15. Advantages & Disadvantages of Windows
Phone OS
Advantages
 Beautiful UI ( Neat & Simple )
 Hubs ( Let’s to access all of user’s collection both in cloud
and locally )
 Microsoft’s Office
Disadvantages
• Lack Of Apps
• High Cost

16. Importance to know about the
Comparison among Mobile OSs
 To be aware what we need
 Which Mobile OS will give that Facility
 Check our preferences.

17. What we’re going to do more before Final
 Going on more deep on the Points we’ve represented in this
Presentation.
 Developed languages & IDE needs to develop.
 Architectural Comparison
 Hardware Level
 & will go through all the Points on rest of two Mobile
OS(BlackBerry OS & Symbian OS)

18. References
 1. http://www.blackberryinsight.com/2011/03/04/evolution-of-mobile-operating-systems/
 2. https://en.wikipedia.org/wiki/BlackBerry
 3. http://en.wikipedia.org/wiki/IPhone
 4. http://en.wikipedia.org/wiki/Android_(operating_system)
 5. http://en.wikipedia.org/wiki/Symbian
 6. http://bgr.com/2013/06/04/ios-android-market-share-april-2013/ [Apple continues to make gains on
Android, by Dan Graziano on Jun 4, 2013] Last Accessed: 24 July, 2013 @ 2:52am
 7. http://www.appbrain.com/stats/number-of-android-apps
 8. http://ipod.about.com/od/iphonesoftwareterms/qt/apps-in-app-store.htm [How Many Apps Are in the
iPhoneApp Store, By Sam Costello] Last Accessed: 24 July, 2013 @ 3:10am
 9. http://blogs.windows.com/windows_phone/b/windowsphone/archive/2013/05/10/the-wait-is-over-
lumia-928-for-verizon-wireless-launches-may-16-for-under-
100.aspx?utm_source=twitterfeed&utm_medium=twitter [“The wait is over”: Lumia 928 forVerizonWireless
launches May 16 for under $100, by Michael Stroh on May 10, 2013] Last Accessed: 24 July, 2013 @ 4: 35am
 10. http://atechjourney.com/mobile-operating-system-a-comparative-study-of-mobile-os.html/ [Mobile
Operating System –A Comparative Study of Mobile OS by Anup Raman.pdf] Last Accessed: June 28, 2013 @
2:30AM