Secondary Storage

Secondary Storage

1. Solid State (Flash) Storage

   • Solid State Hard Drive
   • USB Memory Stick
   • PlayStation Memory Card
   • Excellent Read/Write Speed (Loads and stores data quickly)
   • Not good capacity compared to Magnetic Storage

2. Magnetic Storage

   • External Hard Drive
     • Storage Capacity ( Maximum 8 TB!)
   • High Capacity (Stores a lot of data)

3. Optical Storage

   • CD
     • Storage Capacity (700 MB)
   • DVD
     • Storage Capacity (4.7 GB)
   • Blue-Ray
     • Storage Capacity (25 GB)

4. Non-Volatile

   • Non-Volatile means that data is not deleted when the computer system has no power connected to it.

5. Needed in a computer to store programs, operating system and files