Memory

Memory

1. Volatile

   • Needs power supply to maintain data
     • When power is lost, data is lost
   • temporary data
   • Type of volatile memory: RAM (Random Access Memory)

2. Non-volatile

   • Retains information with or without power
   • Type of non-volatile memory: ROM (read-only memory)
   • Used as sceondary or long term data

3. Virtual memory

   • putting RAM on a hard disk
     • Extends latency
     • Increases storage