Storage

Storage

1. Primary

   • ROM
     • Chip
     • Read only
     • Cannot be altered by user
     • Contents retained when power removed
   • RAM
     • Chip
     • Read and write
     • Can be altered by user
     • Contents lost when power removed

2. Secondary

   • Magnetic disk
     • Hard disk
     • Portable hard disk
   • Optical disk
     • CD-RW
     • CD-ROM
     • DVD-ROM
     • DVD-RAM
     • DVD-R
     • DVD-RW
   • Magnetic cartridge
   • Flash/pen drive
   • Flash memory