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Microsoft has released the next test version of its Windows CE operating system, offering developers tools to build applications for a range of computing devices, from cell phones to "smart" kitchen appliances.

Code-named "Talisker," the next version of Windows CE is a less bulky version of Windows. The current version, Windows CE 3.0, powers the Pocket PC personal digital assistants, which are marketed by Compaq, Hewlett-Packard, Casio, and others. Talisker is intended to run on small computing devices and appliances that have an embedded operating system.

Microsoft is releasing the second beta version of Talisker through a series of early developer programs to let developers build and test applications and services. The first beta version was released in April to about 300 developers.

The final release of Talisker is due out before the end of the calendar year, Microsoft representatives say.

Range of Uses

Developers work on Talisker using Windows 2000 Professional or the soon-to-be-released Windows XP Professional to build and test applications. A set of tools emulates the operating system as it would appear on a mobile device.

Siemens is testing the software for use on its Web pad, and Wyse Technology is building a thin client based on Talisker, according to Microsoft. Another company, Intermec Technologies, is using the beta version of Talisker to build a data terminal, Microsoft says.

Windows CE also has a role in Microsoft's .Net strategy of Web-based services. Microsoft positions it as the .Net link on mobile devices and Internet appliances.

For example, Windows CE will power the Stinger smart phone and the AutoPC, a computer terminal installed in a car dashboard. The operating system will also run future devices envisioned for a wired world, such as refrigerators and other home appliances.

Boosting Development

Microsoft has stepped up its efforts to lure developers to use the operating system. In June 2000, Microsoft began giving developers access to the Windows CE 3.0 source code. In July, the company opened up the operating system for wider use through its shared source license.

Microsoft also has an embedded operating system based on the Windows NT 4.0 kernel and another in development based on Windows XP. The more advanced Windows XP embedded operating system will run devices such as a set-top box.

Talisker is available online or can be ordered for delivery on a CD.

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