Non-Volatile Memory

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What Is Non-Volatile Memory and How Is It Used in Photography?

Non-volatile memory is a type of memory that is not erased when the system within which it is contained is powered down. As such non-volatile memory makes an excellent medium for long-term storage of digital data. Volatile memory such as RAM is the other primary type of memory and is erased when powered down. As a photographer you will encounter types of non-volatile memory all the time; the computer hard drives, SD and Compact Flash memory cards that photographs are stored on are all forms of non-volatile memory, digital photography would not be possible without it!