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

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Flash Media

Flash memory can be described in two broad categories: memory that requires an electrical charge to maintain its state, such as that used in personal digital assistants (PDAs) and cellular phones; and flash memory media, which maintains its state without an electrical charge. The first type of flash memory used in cellular phones and PDAs allows much faster input and output and is covered in Chapter 6, “Volatile Data.” This chapter focuses on the second type of flash memory—flash media cards—whose nature is static.

Although optical media has gained great favor among users for long-term data storage, flash media in its various shapes and sizes is the undisputed leader for temporary data storage and transfer. Many of the early flash ...

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