Magnetic data is not very reliable after a year or so, while flash-based data will usually last quite a bit longer. Flash-based memory also has a limited number of erase cycles, after which, whatever data is stored on that segment will not change.
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Memory cards are flash storage, where data is stored in discrete transistor cells that can normally be erased or changed several thousand times.
Non-volatile storage
nonvolatile storage
Nope. Flash drives don't use magnetic storage.
Flash memory consists of nonvolatile memory chips that can be used for storage by the computer or the user. Flash memory was introduced in 1984.
Neither. Flash memory is comprised of computer chips, specifically something called NAND memory.
A "flash stick" is another word for a USB flash drive. The term "flash" is used because it consists of flash memory data storage. Flash memory is is a non-volatile computer storage (computer memory that can retain the stored information even when not powered) that can be electrically erased and reprogrammed.
No, its not an optical storage device.
No.
ROM
it is a multi devive
Flash provides nonvolatile storage. The contents of flash may be overwritten.