storage and memory

storage and memory

1. primary storage

   • ROM
     • Read only memory
     • non volatile memory
     • information stored is permanent
   • RAM
     • Short term memory
     • access ram memory fast
     • Completes everyday tasks
   • Cache
     • faster than main memory
     • 3 levels of cache
     • Connected to the CPU
   • flash memory
     • non volatile
     • can be written at read from