1.3 Storage

1.3 Storage

1. Secondary Storage

   • non volatile
   • Stores files and programs
   • Magnetic
     • Read and written to with a moving head inside the disk drive
   • Optical
     • Lasers are used to read and write data to a disk
   • Solid State
     • SSD has no moving parts.

2. Traits

   • Capacity
     • The amount of space that is available to store files.
   • Speed
     • How quickly a computer can read and write data from a storage device
   • Portability
     • How easily a device can be transported
   • Cost
     • The cost of a device compared to cost per GB
   • Reliability
     • The expected time a device lasts for
   • Durability
     • Will the device get corrupted if it receives damage?