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Chapter 4. Bigger Is Better: Upgrading S... > Upgrade #5: Adding a Memory Card Rea...

Upgrade #5: Adding a Memory Card Reader

If you have a digital still camera, PDA, portable MP3 player, or other device that uses memory card storage, you need to somehow get data from that memory card into your PC. Although you can connect your camera or other device directly, it may be more convenient to use a memory card reader. All you have to do is insert your memory card into the reader, and then your computer will recognize the card as it would any removable storage device.

Understanding Flash Memory Storage

Memory cards don't have any moving parts; instead, they use flash memory (sometimes called flash RAM) to store data on tiny, nonvolatile memory chips. Unlike traditional computer RAM, which is wiped clean when the power is turned off, the contents of a flash memory device don't evaporate when the host unit powers down. Flash memory data is always there, ready to be addressed when the power is turned back on—or when you insert the card into a new device, like a card reader.


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