Storage

Storage

1. Hard disk drives

   • Stores
     • Operating system
     • Application software
     • Files
   • External hard disk drives can be used to backup a computer system

2. Flash memory

   • Solid state storage
   • Non-volatile
   • Used to store data in portable devices
   • USB memory stick
     • Backup and transfer files between computer systems
   • Small, light and energy efficient

3. Online storage

   • Uses the internet
   • Backup copies of work
   • Can share files
   • Use of a remote server
   • Personal file storage

4. Memory

   • RAM - Random access memory
     • Stores memory when using a computer
     • Volatile
   • ROM - Read only memory
     • Non-volatile
     • Information stored stays in the memory when the power is turned off