Flash memory is a solid-state,non-volatile,rewritable memory that functions like RAM and a hard disk drive combined.Flash memory store bits of electronic data in memory cells just like DRAM(Dynamic RAM),but it also works like a hard disk drive that when the power is turned off,the data remains in the memory.Flash memory cards and flash memory sticks are eaxamples of flash memory.
-used with digital cellular phones,MP3 players,digital video cameras and other portable digital devices.
-is also called USB drives,thumb drives,pen drives or flash drives,are the up-and-coming players in the portable storage market.
-It offers fast reading access times among the secondary storage devices,(though not as fast as RAM)it is durable and requires low voltage.It is also light and small.
Disadvantage
-It is more expensive than the magnetic disk of the same capacity.
