What is CompactFlash card (CF card)?

This definition explains the meaning of CompactFlash card (CF card), how it saves data to a mass storage device and future technology trends.
A CompactFlash card (CF card) is a memory card format developed by SanDisk in 1994 that uses flash memory technology to store data on a very small portable device.

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Compact Flash (CF), Secure Digital (SD) and SDHC/SDXC Memory Cards for Digital Cameras

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