What is an SD card and How do SD cards works?

What is an SD card and How do SD cards works? 1

What is an SD card and How do SD cards works? SD memory cards work by recording data onto a solid-state chip inside the card using flash memory. The flash memory records information when electrical charges change in its circuits. A similar process erases portions of the memory for rewriting. For mobile phones and tablets, the type of memory card you’ll need is a microSD. Cards of this type are barely bigger than your fingernail, but can store enormous amounts of data. Inside every SD card, rows of tiny memory chips are at work storing all your documents, music, photos …

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