| 摘要 |
According to one embodiment, a memory system includes a non-volatile semiconductor memory device, a control unit, a memory, an extension register, and a timer. The control unit controls the non-volatile semiconductor memory device. The memory as a work area is connected to the control unit. The extension register is provided in the memory and time information is set therein. The timer updates the time information. When the control unit records a file obtained via a network in the non-volatile semiconductor memory device, the control unit adds the time information updated by the timer to the file.
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