Symbian mobile operating System Knowledge Literacy Chapter

The smartphone industry has warmed up from last year and has now entered a phase of rapid development. Smartphones combine powerful computing power with open software systems, with excellent performance from entertainment to business, and the prospect that smartphones can offer tens of thousands of applications for users to use in the future. With the advent of smartphones, it will no longer be limited to current high-end handsets, and will not only change people's entertainment and leisure lives, but will also impact on our existing ways of communicating. When buying a smartphone, in addition to understanding the smartphone hardware configuration, such as screen, camera and so on, you will also face a variety of smartphone operating systems, such as Windows Mobile,symbian,linux, different operating systems may make you dizzy brain swelling, So let's start with Symbian and take you into this world of wisdom.

Introduction to the operating system

Before talking about the smartphone operating system, let's look at the operating system first. When it comes to operating systems, I think most people will first think about the operating system of a computer, which is the operating system of a handheld computer. In fact, many of the electronic devices with the Operation menu are composed of hardware and software, so theoretically, they all have an operating system, but some operating systems are closed, some are open. For example, we are familiar with the electronic dictionary and early PDA, such as the use of closed-end operating system, and PCs, laptops and now mainstream handheld computers and smartphones, and most of the use of the open operating system.

Simply put, a closed operating system is one in which users cannot load and unload any Third-party software. In other words, you can't download or buy software from the Internet like you do with a computer. Most of these operating systems are directly embedded in the machine's chips, using embedded processors. It has the advantage of small storage space, low cost, small power consumption, the disadvantage is that the function is simple, and the user does not have any freedom to modify the room. So what about an open operating system? Windows on PCs and laptops should be familiar, and it's an open operating system. The open mobile operating system is similar to allowing users to load and unload Third-party software at any time, you can download a software that supports the operating system from the Internet, and you can remove any software from the system at any time. Having learned some of the features of the operating system, let's look at the type and characteristics of the operating system used by the phone.

The current smartphone mainstream operating system has Linux, Windows Mobie, Symbian and Palm, and most operating systems claim its openness, support software and hardware expansion, while supporting the original software porting, and provide rich source code to facilitate the development of developers and third-party software providers, Mobile phones, which now use Symbian's operating system, account for 70% of global handset shipments, creating a de facto monopoly. Now we explain the Symbian operating system to help you get a sense of the operating system.

Symbian Profile

Symbian is a joint venture (Motorola has withdrawn) from Motorola, Siemens, Nokia, and other large mobile communications equipment companies, which specializes in developing mobile operating systems. The Symbian OS's predecessor was EPOC, and Epoc Electronic Piece of cheese took the first letter, which was meant to be as simple as eating cheese when it was designed. Symbian is not just an operating system name, but also a company, a faction, a mobile phone monopoly alliance synonymous. Symbian Company was founded in 1987, 2004, Symbian Group shareholding has undergone a certain change. Ericsson's holdings changed from 17.5% to 15.6%, Sony Ericsson from 1.5% to 13.1%, Nokia from 32.2% to 47.9%, Panasonic changed from 7.9 to 10.5%;psion from 31.1% to 0.0, and Siemens from 5% to 4.5. Into 8.4%. Motorola sold its Symbian holdings in 2004.

Symbian Type and version

Symbian's Open operating system has two types, one for Handheld PCs, and one for laptops with stylus, P802 for Sony Ericsson, and the other for HPC phones, which represent products such as Nokia 9210. Because the operating system is produced by Motorola, Siemens, Nokia and several other large mobile communications equipment to form a joint venture, so it is often used in the above-mentioned manufacturers to launch the corresponding mobile phone. For example, we are familiar with Sony Ericsson's P802, P908, Nokia 7610, Siemens SX1, etc. used is the operating system, of course, and sharp and other manufacturers have also launched a mobile phone based on the operating system.

Symbian by version, following February 2005 Symbian launched a new mobile phone operating system software OSv9.0, so far has been 6.0, 6.1, 7.0, 7.0s, 8.0, 9.0 several versions. Symbian launched its Symbian5.0 operating system in March 1999, with its main core of networks, wireless text, e-mail, business cards, and personal information assistants, as well as browsers that support standard Web pages, with the support of the Java language, allowing Symbian to run small applications. But this version uses very few models, basically and EPOC not much difference.

Symbian 6.0 added on a 5.0 basis, GPRS, WAP1.2 Browser and Bluetooth technology support, users can run a third party based on C + + and J2ME development programs. Symbian 6.1 is a major addition to USB support compared to Symbian 6.0. Symbian 6.0 features support for voice calls and data communications, Bluetooth and WAP support, security features (SSL,HTTPS,WTLS), 16bit Unicode, support for multi-language display, "Personaljava 3.0 "and" Javaphone 1.0 ".

Symbian 7.0 supports multiple models and 3G handsets, allowing manufacturers to launch Symbian OS handsets that run on all networks around the world, and can reuse many existing software applications without making significant changes to the code. 7.0 contains a number of new communications, messaging, networking, and application development technologies, as well as improvements to security and certification-related features. Other features of Symbian OS 7.0 include support for flexible user interfaces, such as Nokia's Series 60, support for several audio/image formats and a number of APIs for game developers, full encryption and authentication management, based on secure communication protocols (including HTTPS, WTLS and SSL) and certified application installation, and over-the-air (OTA) SYNCML synchronization support.

In February 2004, Symbian released the SYMBIAN8 0 version when it authorized LG and other companies. This version improves the performance of real-time systems and improves the compatibility of existing operating systems. In addition, Symbian OS 8.0 software tools improve the remote access control system function, using the regulator to eliminate mobile phone users to use value-added services will be disturbed. This system contains an absolutely modern multimedia and Java device that supports a variety of standards, including JSR118, CLDC1.1 (JSR139), Mobilemedia (JSR135), 3D image Data (JSR184), Jtwi 1.0 C (JSR185). Finally, the new OS also supports SDIO.

In February 2005, Symbian, the UK's leading mobile-phone software maker, unveiled a new mobile OS software, OSv9.0, which supports higher-pixel digital cameras and three-dimensional game animations. The operating system software is high on the operational environment, currently running on the fast processor chip provided by the UK chip developer arm, and requires support from relevant design and other tools to help handset manufacturers save time and reduce costs while developing other versions. The software can handle 2 million-pixel digital images and even send stereo music to wireless headsets, and, thankfully, it does not require synchronization software to export MP3 files from PCs.