| Keyword | Definition |
|---|---|
| flash storage | type of storage that uses sold state electronic with no moving parts to store 0s and 1s in NAND cells |
| magnetic storage | type of storage that uses spinning platters to store 0s and 1s on polarised iron particles |
| non volatile | type of persistent storage where data is preserved when power is switched off |
| optical storage | type of storage that uses spinning discs to store 0s and 1s on reflective pits and lands |
| primary storage | fast volatile storage (RAM) |
| secondary storage | a type of storage that is slower than RAM but is non volatile and has a higher capacity |
| volatile | type of storage that loses all data when power is switched off |
