Non-volatile storage
Non-volatile storage is a category of computer storage. Unlike volatile storage, it doesn't require power to retain stored data.
Storage devices in this category include:
- CD, CD-ROM, CD-R, CD-RW
- DVD
- BD-ROM, BD-R, BD-RE
- Floppy disk
- Hard disk
- Magnetic tape
- Paper tape
- Punch card
- ROM
- NVRAM
- Flash memory
- EEPROM
- EPROM