Flash Memory
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What is flash memory made of?
Electrically Erasable Programmable Read Only Memory (EEPROM)
What is made from EEPROM?
ROM (provides the computer with the software needed to start)
What are SD cards?
• Security Digital card • Used to increase the capacity in devices such as cameras, phones and tablets • Provide a high capacity for their physical size
What is SSD?
• Solid state drive • Used in home computers because of their performance • A form of re-writable flash storage.
Features of flash memory?
• Can be re-written • Usually fast to access • they don’t have any moving parts • Usually high capacity • Robust (not effected by vibrations so can be used in industrial machines) • Short life time- can only be written a certain number of times before data is lost. We may lose connection once the flash has degraded past a point. Re-writable devices include several blocks of flash memory so they last longer. • Non volatile