| 摘要 |
Disclosed is a data structure of a flash memory having a system area with variable size in which data can be updated, a Universal Serial Bus (USB) memory device having the flash memory, and a method of controlling the system area. The data structure of the flash memory in the USB memory device includes: a system area in which a user is not allowed to record or delete data, management information of the USB memory device and a program or content executed or played upon connecting the USB memory device to a host are recorded, and a program or content is added or updated by an update program.
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