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Computer Evidence: Collection and Preservation, Second Edition by Christopher L. T. Brown

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Volatile Data in Personal Devices

Personal digital assistants (PDAs), cell phones, MP3 players, and even wristwatches can contain extensive data-storage capabilities. Many of these devices maintain storage in flash cards with extended data retention rates. PDAs are particularly volatile in their design, which causes much user data to be lost with extended battery loss.

The investigator will find that PDAs are much like a standard computer in that they have a CPU, RAM, and external peripheral ports such as USB ports. As mentioned, PDAs often include additional static storage, such as a Sony Memory Stick, Secure Digital (SD) card, and other flash memory media with extended data-retention capabilities. Primary storage for information such as calendars, ...

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