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These days many Symbian OS has been commonly used by many providers of cellular interaction equipment items in various types of items they are different. Modifications of the components side is where the Symbian OS can be implemented possible because this os has program development connections. API facilitates the interaction and actions are common in components that can be used by other program things. This is possible because the API is an individual interface item described at the program level, which contains techniques and features (as well as the factors and data structures) which controls / call the kernel where as the link between application and components. With the conventional API's to help the designer to make improvements to the program made to be set up on the cell phone product variety.



Much like a Computer OS, Symbian OS capable of doing features multithreading, multi-tasking and security against storage. And all development on Symbian done event-based, significance that the CPU components becomes non-active when there is no feedback in the form of a particular action. However, it should be recognized this os is designed to be set up on cell phone gadgets with restricted sources. Multithreaded and multi-tasking Symbian OS provides the ability to run more than one program at once. But this particular, a preemptive multi-tasking kernel will give every program a time-division handling is done quickly so that alternatively seems to the individual as if the procedure is implemented at the same time. For it has been described depending on certain concern organizing to decide which techniques are running first and procedure what's next and how plenty of your energy and energy will be given.

Symbian OS itself is not the characteristics of free in full because despite the option APIs and certification, a lot to help the program designers to create application that operates on these operating-system, released to the public but not to its own resource value.

In 1980, status company Psion program designer, established by Mark Knitter The products of the company was known as EPOC The os is more targeted on its use on mobile phone gadgets In 1998, there was a collaboration between the organizations Ericsson, Htc, Samsung and Psion to discover further kekonvergensian between PDAs and mobile phone gadgets known as Symbian In 2004, Psion marketed its share and the results of this cooperation generates EPOC Launch 5 which was then known as the Symbian OS v5 The os of Symbian OS v5 it has started to include the needs of the execution of programs on gadgets like PDA than a mobile phone.

Then came the so-called smart phone and comes also the newest variations of the Symbian OS up there known as the Symbian v6.0 or better known as the ER6 which is the first edition of the Symbian OS Are start due to the set up of the program can be done by various designers of programs. In beginning 2005, came on Symbian OS v9.1 with a new protection program foundation known as capability-based protection This protection program set the authorizations for the program to be set up on the devices with regards to opening the API.

There were also known as to the Symbian OS v9.2 that did upgrade of the Wireless connection technological innovation with the use of Wireless v.2.0 While the newest, to Symbian Symbian OS v9.3 (released on September 12, 2006) has gotten the wireless 802.11 and HSDPA technological innovation as part of the conventional components.