Symbian Operating System has efficient multitasking feature

Symbian Operating system is developed by Symbian limited. It is recognized and authorized operating system for fifty percent of smartphones. It is an advanced operating system that satisfies all the necessities of 2G, 2.5G, 3G mobile phones. Symbian Operating System is a combination of various applications environment, mobile telephony and provides advanced data services. The Smartphones of Nokia and few SonyEricson smartphones used this mobile operating system.

Features of Symbian Operating System:

Messaging: Symbian operating system provides full support to SMS, EMS, MMS, email and fax.

Open application environment: Symbian OS authorizes mobile phones to be a platform for implementation of applications and services developed in a wide range of languages (Programs and content developed in Java and C++ software languages).

Standards and interoperability: Symbian OS has flexibility to provide set of Application Programming Interfaces (APIs) and implement technologies that are shared by other symbian OS phones. It supports IP v4 and v6, Bluetooth wireless technology, Java, WAP and SyncML.

Multi-tasking: Symbian OS accommodates multi-tasking (Many tasks carried at a time). It performs tasks like communications, data management, graphics, Graphical User Interface (GUIs) framework and application engines at a time.

Robustness: It provides immediate access to user data.

Flexible user interface design: This feature makes Symbian OS offer choice for manufacturers, carriers, enterprises and end-users.

Strengths:

• It is large developer association
• It provides multi tasking facility
• It has good hardware

Weaknesses:

• The interface provided by Symbian OS for touch screen is not good.
• There is no central application store.

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Palm Operating System provides fast access

Palm operating system is developed by Palm Inc, initially to support PDAs (Personal Digital Assistants) and later to support smartphones. It occupies less than 3.3% share in smartphone market. Palm OS arrives with in-built applications like Dates, Address Book, To Do List, Calculator, and Password Protection. The features of updated palm OS is Java support, VPN support and secure web browsing. Palm mobile operating system has the facility to operate combined resources like Microsoft Exchange, Oracle and SAP with secure status.

Features of updated Palm mobile Operating System (Web OS):
Web-connected applications: Applications are completely connected to web, they are active forever, confirming that user has update information.

Run multiple applications at the same time: Palm's advanced Operating System can regulate several activities. It facilitates user to open many applications at a time and also to move between these applications easily.

Spontaneous user interface: This operating system provides narrow search that is getting the results appropriately and provides results from web and device.

Direct Notifications: When a message or email is received the device alerts the user regularly.

Strengths:

• It has facility to connect physical keyboard unlike iphone and Android OS
• It has new platform for wireless synchronization and third party developers.

Weaknesses:

• It has no facility of multitasking
• It is costly compared to iphone

Windows Mobile Operating System provides backup to phone's information

Windows mobile operating system is compressed operating system, developed by Microsoft. It is designed to yield PC like experience on smartphone. This operating systems is found on Dell, HP, Motorola, Palm and i-mate products. It occupies 9% of smartphone market. This operating system supports mobile version of Microsoft Office Applications like MS Word, MS Excel, MS Powerpoint. The updated windows mobile operating system has few attachments like a backup and restore service, an improved mobile Web browser and application store.

Features of Updated Windows mobile OS:

My Phone service: This service enables user to have password-protected web service. It provides automatic backup and synching, so contacts, appointments, text messages, and other information can be stored into this service and can be retrieved (restored) easily from this service, when phone is misplaced or when phone is changed.

Internet Explorer Mobile: It supports many features of latest Internet Explorer like Flash and Javascript. It accommodates advanced tools for good page navigation, Zoom in/out and a feature that indicates position in Web page. Apart from these, Microsoft enabled web browser to support transactions like checking flights, buying movie tickets etc., unlike other web browsers.

New user interface: This feature makes user to view missed calls, new messages, upcoming appointments and voicemails at a glance even when phone is in locked state.

Strengths:

• Windows mobile operating system is associated with Microsoft Outlook and Exchange.
• It supports advanced range of applications.
• It can work on different platforms of hardware of many handsets and carriers.

Weaknesses:

• It is old mobile operating system
• It is not as powerful as iphone OS and android OS.
• Redesign of windows mobile operating system user interface is required and it is slow.

Iphone OS is user friendly

iPhone operating system is developed by Apple and it is extracted from MAC OS. It shares 13.7% of smartphone market. iphone operating system is designed for iphone and ipod touch screens. Iphone Operating system consists of best web browser, safari and best MP3 playback. It has the best mobile application store. Apple iphone operating system have created new standards for smartphone usability and functionality.

Features of updated Apple iphone operating system:
3G Tethering: This feature of iphone OS enables user, to use it as modem to access Internet by connecting to a laptop.

Extended parental controls: This feature of iPhone operating system provides filters to adult content on movies, TV shows and applications like websites.

Multimedia messaging: With this feature of iPhone OS there will not be necessity of emails as MMS function can accommodate and send rich content of text, images, sounds and vcards.

Send and receive files: This feature makes user to exchange files between iphones and ipods.

Browse remote content: The in built ipod application will not favor to browse songs on other's iphones or ipods, whereas third party applications will make this possible.

Strengths:

• It is easy to use
• It has shallow learning curve, which means there is facility to load many third party applications.

Weaknesses:

• This operating system do not support sending of files through bluetooth.
• It do not support multitasking
• It is closed operating system i.e., only developer can make corrections in source code. End user cannot make any changes.

Blackberry Operating System Provides Best Email Facility

Blackberry OS is developed by RIM (Research In Motion). Blackberry Operating System is particularly aimed at business professionals. It is known for its excellent email integration. It occupies 21% of worldwide smartphone sales. Blackberry operating system provides maximum security, it can easily combine (integration) with other platforms, it can work with many carriers, and it can be extended globally. It can be easily managed, it has good battery life and has a small easy-to-use keyboard.

Features of updated Blackberry Operating System:
TTD: This mode of blackberry operating system is used by audibly impaired (deaf) for communication.

GPS Management: This feature enables to have good location accuracy using network and lessens the burden on battery without using GPS every time.

Google gears: This feature helps the user to combine online and offline discussions to advance the web browsing.

Messaging: Blackberry operating system provide messaging functionalities like Email, SMS, MMS, and IMs at faster rate and reliably.

Integration of email accounts: This feature of blackberry operating system can combine 10 email accounts and the email is pushed automatically.

Wireless Synchronization: This feature is used to transfer information between office and blackberry privately.

Strengths:

• It has fantastic email facility.
• It supports full wireless synchronization.
• It supports physical Keyboard unlike iphone operating system

Weaknesses:

• Web browsing facility need to be improved.
• Touch screen feature is not that good.
• It do not support huge library for third-party applications.

Android Operating System of Google makes online search easier

Android Mobile Operating System is initially developed by Google and later developed by Open Handset Alliance. It runs on Linux kernel and all applications are written in Java language. Android supports set of bulky applications like email client, SMS program, calendar, maps, browser, contacts and others. Android is completely designed for touch screen smart phones. It occupies 2.6% share of smartphone sales. Android operating system is popular for its union with Google services like Gmail. Few smartphones of HTC, Samsung employed android operating system.

Features of Android Mobile Operating System:
Quick Search Box: It has improved search framework which provides relevant search results from contacts or web when posed a query.

Battery usage indicator: This feature alerts the user regarding the battery usage for each application and service. So if any particular application or service is absorbing more battery power then the user can take proper action by modifying settings.

Interface for camera, camcorder and gallery: Android mobile operating system provide advanced user interface which enables user to pickup several photos for deletion and also switching between still photos and video capture modes is fast.

Strengths:

• It is an open operating system. So it can run on variety of devices like candy-bar and slider smartphones.
• Android operating system is latest and powerful compared to iphone OS.
• It provides good wireless synchronization with Google's calender and contacts.

Weaknesses:

• It is in initial stage of development.
• It needs refinement compared with other operating systems.