Motorola MC50 Especificaciones Pagina 69

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Application Deployment 4 - 9
The following example uses XML provisioning to perform the same task:
SampleCpy.xml
<wap-provisioningdoc>
<characteristic type=“FileOperation”>
<characteristic type=“\Windows” translation=“filesystem”>
<characteristic type=“MakeDir”/>
<characteristic type=“example.txt” translation=“filesystem”>
<characteristic type=“Copy”>
<parm name=“Source” value=“\Application\example.txt” translation=“filesystem”/>
</characteristic>
</characteristic>
</characteristic>
</characteristic>
</wap-provisioningdoc>
Storage
Windows Mobile 5.0 contains three types of file storage:
Random Access Memory (RAM)
Persistent Storage
Application folder.
Random Access Memory
Executing programs use RAM to store data. Data stored in RAM is lost upon a warm boot. RAM also included
a volatile file storage area called Cache Disk.
Volatile File Storage (Cache Disk)
Windows Mobile 5.0 memory architecture uses persistent storage for all files, registry settings, and database
objects to ensure data is retained even after a power failure. Persistent storage is implemented using Flash
memory technology which is generally slower than volatile RAM memory. In certain situations the speed of the
operation is more important than the integrity of the data. For these situations, Symbol has provided a small
volatile File Storage volume, accessed as the Cache Disk folder. Disk operations to the Cache Disk folder are
much faster than to any of the persistent storage volumes, but data is lost across warm boots and power
interruptions. Note that a backup battery powers RAM memory, including the Cache Disk, when you remove
the main battery for a short period of time.
The mobile computer uses the Cache Disk for temporary data that can be restored from other sources, for
example, for temporarily “caching” HTML web pages by a browser or generating formatted files to send to a
printer. Both situations benefit from the increased speed of the cache disk, but you can restore the data if
needed.
DO NOT use the Cache Disk as a method to improve application performance. Analyze applications that
perform slower in persistent storage to optimize disk access. Common areas for optimization include
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