Memory

Memory

1. Virtual memory

   • Uses
     • Videogames
     • Windows
     • saves RAM
   • Computer memory that exists on a fixed media.
   • Applications run slower
   • Advantages
     • Saves RAM
     • Running more applications at once
     • Can run larger applications
     • Faster launching of applications
   • Physical

2. Types of memory

   • ROM
     • Read-only memory so will not change after system restart
       • Non-volatile
   • RAM
     • data lost after system restart
       • Volatile

3. Flash memory

   • Non-volatile
   • Reprogrammable
   • Can be erased
   • BIOS chip
   • CompactFlash
   • Smart media
   • Memory stick
   • Solid state
   • Memory cards

4. RAM

   • Random Access Memory
     • Temporary storage
     • Virtual memory used to extend RAM
   • Volatile

5. ROM

   • Read Only Memory
     • Can't be modified easily or at all
     • mainly used to store firmware
       • Unlikely to need frequent attention and updates
   • Non-volatile