System Storage

System Storage

1. Types of Storage

   • Solid State Storage
     • This is made of microchips. The state of the switches determine if a 1, or 0 is stored.
     • Devices: Solid State Drive, SD Card, USB Memory Stick.
     • The capacity is okay, the speed is very fast, the portability is very good, the durability is very good, its very reliable and the cost is very high
   • Magnetic Storage
     • Read/write move across the medium and change how magnetised that part of the medium is.
     • Devices : Hard Disk Drive and Tape Drives
     • The capacity is very good, the speed is okay, the portability is okay, the durability is not that good, the reliability is okay, and the cost is very low
   • Optical Storage
     • A laser light created marks in a pattern on the disk. A laser light detects where the marks are and translates this into a readable format.
     • Devices : Blu Ray, DVD ROM and CD ROM
     • The capacity isn't that good, the speed is very slow, the portability is okay, the durability is okay, it isnt very reliable and the cost is okay.
       • Optical storage isn't as good as the other storages.