it has latest mobile operating system information for eg:android 5.1; windows 8.1 ipone 9'

1. Submitted by:
Aman Gupta Amit Gupta
Ashish Gupta Asmita Gupta
Saurabh Gupta
Guided by:
Prof. Hemant Wani
*

2. *MOBILE
OPERATING
SYSTEM (O.S.)

3. • The most popular platforms today ; Android, iPhone, and Windows Mobile.
• The outcomes of this are two-fold;
- Firstly, it works towards developing a sustainable model for
comparing mobile operating systems
- Secondly, it standardises the basic architectural considerations that
new entrants should adhere to.
• The study is done by the comparison criteria of computer operating systems
and fine-tuning it to fit the expectations of a smartphone.
• The trends of Mobile O.S. is constantly increasing over the years.
*ABSTRACT

4. • Android was initially developed by Android Inc.
• Android distribution was done on 5 November 2007.
• The iPhone operating system was first introduced on
January 9 2007 by Apple Inc.
• The Windows Mobile operating system developed by
Microsoft
• It was released on April 9 2000.
*LITERATURE SURVEY

5. *INTRODUCTION
•A mobile operating system (or mobile OS) is an operating
system for smartphones, tablets, PDAs, or other mobile
devices.
•Mobile operating systems combine features of a personal
computer operating system with other features useful for
mobile or handheld use.
•For eg. A touchscreen, cellular, Bluetooth, WiFi, GPS mobile
navigation, camera, video camera, speech recognition, voice
recorder, music player, near field communication and infrared
blaster.

6. •Mobile devices with mobile communications capabilities (e.g.
smartphones) contain two mobile operating systems – the main
user facing software platform is supplemented by a second low
level proprietary real time operating system which operates the
radio and other hardware.

7. *TYPES OF MOBILE
OPERATING SYSTEM
•ANDROID
•WINDOWS
•iOS

8. *ANDROID

9. ANDROID (LOLLIPOP):-
• Android architecture is made up of five parts; the Linux kernel,
libraries, the runtime (Dalvik virtual machine), the application
framework and applications themselves.
• The application framework supports multitasking by allowing activities
(a user interface component) to reside to the background while a new
activity is brought to the foreground.
• Each activity runs as a separate process and the pre-emptive
multitasking scheduling is handled by Linux.
• Android versions have been developed under a confectionery themed
code name and released in alphabetical order.
• Beginning with Android 1.5 “Cupcake”.
• The latest update version is “Lollipop 5.1.1”.

10. • The earlier versions 1.0 and 1.1 were not released under specific
code names:
- Cupcake (1.5)
- Donut (1.6)
- Eclair (2.0–2.1)
- Froyo (2.2–2.2.3)
- Gingerbread (2.3–2.3.7)
- Honeycomb (3.0–3.2.6)[a]
- Ice Cream Sandwich (4.0–4.0.4)
- Jelly Bean (4.1–4.3.1)
- KitKat (4.4–4.4.4, 4.4W–4.4W.2)
- Lollipop (5.0–5.1.1)
- Marshmallow (developer preview 3)
Contd….

11. *LOLLIPOP:-
• Android Lollipop versions spanning between 5.0 and 5.1.1. released on
Nov. 12, 2014.
• Redesigned user interface built around Material Design.
• Other changes are improved notifications, which can be accessed from
the lock screen and displayed within applications as top of the screen
banners.
• Internal changes with the Android Runtime (ART) officially replacing
Dalvik for improved application Performance.
• Security and Data protection.
• Lollipop is succeeded by Android Marshmallow, unveiled in May
2015, which is in a state of developer preview as of Nov. 2015.

12. *ARCHITECTURE

13. *WINDOWS

14. • The Windows Mobile operating system developed by Microsoft started off as Pocket
PC released on April 9 2000 .
• Windows Mobile is a discontinued operating system from Microsoft that it replaced
with Windows Phone.
• It is closed source and proprietary.
• Windows is based on CE 5.2 kernel, and features a suite of basic applications
developed using the Microsoft Windows API.
• Versions of windows:-
- Windows CE
- Pocket PC 2000
- Pocket PC 2002
- Windows mobile 2003
- Windows mobile 2003 SE
- Windows 5
- Windows 6
- Windows 6.1
- Windows 6.5
- Windows 8.1
WINDOWS(8.1):-

15. *WINDOWS MOBILE 8.1
• Action Center is well‐designed, desperately needed.
• Cortana voice assistant works well considering it's still in beta.
• Swipe keyboard is easy to use.
• More modern hardware support.
• More personalization options.
• Large phones can't take full advantage of the screen space.
• Google support still lagging.

16. *ARCHITECTURE

17. *APPLE iOS

18. *APPLE iOS (9):-
• It has the second largest installed base worldwide on smartphones.
• It is closed source and proprietary and built on open source Darwin core OS.
• The Apple iPhone, iPod Touch, iPad and second generation Apple TV all use iOS,
which is derived from OS X.
• Native third party applications were not officially supported , "jailbreaking" allowed
third party applications to be installed, and this method is still available.
• Current iOS's version list:
iPhone OS 1.x
iPhone OS 2.x
iPhone OS 3.x
iOS 4.x
iOS 5.x
iOS 6.x
iOS 7.x (Major UI revamp)
iOS 8.x
iOS 9.x

19. *iOS 9:-
• Will work only on iPad Air 2 and later versions.
• You can now chat on Skype while reading your mails.
• The keyboard now doubles up as a trackpad.
• Has a low battery mode similar to Android devices.
• iOS 9 uses only a third of space compared to iOS 8.
• Save content from browser directly to notes.
• Will suggest apps based on usage habits.

20. *ARCHITECTURE

21. *COMPARISION
• CRITERIA ANDROID IPHONE WINDOWS
• Multitasking (3rd party) Yes/No YES NO
• Effectiveness
• Poor/Fair/Good GOOD - POOR
• Garbage collection Yes/No YES NO YES
• Low memory Warnings YES YES YES
• Recovery options GOOD GOOD GOOD
• Persistence
• File I/O YES YES YES
• Database YES YES YES

22. • Storage access
• 3rd party app access GOOD FAIR FAIR
• Network interfaces
• Bluetooth YES YES YES
• Wi-Fi YES YES YES
• 3G YES YES YES
• Security vulnerabilities
• Encryption POOR POOR FAIR
• Spyware protection FAIR POOR POOR
• Power consumption
• Poor/Fair/Good FAIR POOR GOOD
• Barriers to development
• Source GOOD POOR POOR
• Documentation GOOD GOOD GOOD
• Publishing GOOD FAIR POOR
• Gadget
• Global Positioning System YES YES YES
• Accelerometer YES YES YES

23. *CONCLUSION:-
• Mobile OS has become the base of the current and growing
smartphones.
• Android is far more easier to learn and operate than other mobile
OS.

24. Thank you