Mobile Operating Systems



A mobile operating system, is the operating system that controls a mobile device or information appliance similar in principle to an operating system such as Windows, Mac OS, or Linux that controls a desktop computer

€ Android € BlackBerry € iOS € Symbians € Windows

Mobile

The roots of Symbians and the Symbians Foundation stretch back to the very start of mobile computing Symbians OS is one of NOKIA's mobile operating system for mobile devices and smart phones, In the number of "smart mobile device" sales, Symbian devices are the market leaders Symbian OS was created with three systems design principles in mind:

The integrity and security of user data is paramount,

user time must not be wasted, and

all resources are scarce

The

Advantages of Symbian phones are:
1. They support applications as advanced as PC applications, far advanced the Java (but they support Java too). 2. They can be personalized the way the user wants by installing proper softwares. 3. They support many types of security-applications like anti-theft and anti-virus applications. 4. very easy And simple to use.

The

DisAdvantages of Symbian phones are:

1. Not suitable for phones with low RAM and slow processor (minimum requirements for good performance: 369 MHz processor, 70 MB RAM). 2. More chances of viruses

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Android is a mobile operating system initially developed by Android Inc Android was purchased by Google in 2005 Android is based upon a modified version of the Linux kernel Android has a large community of developers writing application programs ("apps") that extend the functionality of the devices There are currently over 100,000 apps available for Android

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Android has seen a number of updates since its original release These updates to the base operating system typically fix bugs and add new features Generally each update to the Android operating system is developed under a code name based on a dessert item.

1.5 (Cupcake) Based on Linux Kernel 2.6.27

1.6 (Donut) Based on There Linux Kernel 2.6.29 15 September 2009

2.0 / 2.1 2.2 (Froyo) (Eclair) Based on are Based on updates Kernel total 5 Linux Linux Kernel 2.6.32 2.6.29

2.3
Gingerbread

Based on Linux Kernel 2.6.35

9 February 2009

26 October 2009

3 December 2009

6 December 2010

iOS is derived from Mac OS.  IOS (known as iPhone Operating system) is Apple's mobile operating system. Apple does not permit the OS to run on third-party hardware As of October 20, 2010 Apple's App Store contains more than 300,000 iOS applications, which have collectively been downloaded more than 7.5 billion times. it had a 16.7% share of the smartphone operating system market in terms of units sold, third behind Symbian and Android

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BlackBerry functions as a personal digital assistant with address book, calendar, memo-pad and task list capabilities. BlackBerry is primarily known for its ability to send and receive (push) Internet e-mail wherever mobile network service coverage is present, or through Wi-Fi connectivity. BlackBerry has the ability to use wireless data efficiently while using less power than other phones, three BlackBerrys use the same wireless spectrum as only one other smartphones BlackBerry's push gives BlackBerry devices a long battery life. All data on the phone is compressed through (BIS). BlackBerry commands a 14.8% share of worldwide smartphone sales. In the United States and Europe, it is the most popular mobile operating system for business use, with a 54% share among enterprise users

Windows Mobile(2000-2010)
 

Windows Mobile is a mobile operating system developed by Microsoft that is for use in smartphones and mobile devices It is designed to be somewhat similar to desktop versions of Windows. You'll see the familiar Start Menu, taskbar, Control Panels (called Settings) and so forth. Windows Mobile's share of the smartphone market has fallen year-on-year, decreasing 30% in 2009. It is the 5th most popular smartphone operating system, with a 3% share of the worldwide smartphone market. Microsoft is phasing out Windows Mobile to specialized markets, such as rugged devices, and focusing on its new mobile platform, Windows Phone 7.

  

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