secondary storage devices

secondary storage devices

1. Portable Devices

   • Small
   • Lightweight
   • Durable (not break easily)
   • Examples include: CD/DVD and Blu Ray USB Sticks SD cards

2. Fixed devices

   • Fixed devices are designed to be installed permanently inside a computing device
   • They usually have a larger capacity than portable devices
   • They are generally more reliable and last longer
   • Examples include: Magnetic Hard Disk SDD

3. Solid State Drive (SSD)

   • Newest Technology
   • Fast
   • Durable
   • No moving parts
   • Silent
   • Low power usage
   • Expensive
   • Used as main secondary storage in a computer

4. Optical Disk (CD, DVD, BluRay)

   • Portable
   • Very cheap
   • Slow
   • Bulky (compared to Solid State)
   • Can be scratched and damaged
   • Used for distributing software (such as console games)

5. USB Stick

   • Uses similar technology to SSD
   • Very durable
   • Small and light
   • Not as reliable as fixed devices (uses cheaper components)
   • Used to transfer files between computers

6. Memory Card

   • Same technology as USB stick, but without the connectors
   • Very small and flat
   • Used in portable devices like cameras to store photos and videos

7. Tape Drive

   • Used for backups
   • Not random access
   • Files can’t be run from it, but they can be backed up and restored
   • VERY slow to access

8. Magnetic Hard Disk

   • Cheap
   • Large Capacity
   • Very complex with moving parts
   • Easily damaged
   • Noisy
   • Power-hungry
   • Used as main secondary storage in computers