Secondary Storage

Secondary Storage

1. Magnetic

   • Internal Hard Disk
     • Large Capacity
     • Fast Access Speeds
     • Portability: Heavy and not designed to be carried around. Requires integrating into computer systems
     • Quite reliable but can crash. Can be damaged by magnets (Durability and Reliability)
   • Portable Hard Disk
     • Large Capacity
     • Medium-Fast access speeds
     • Medium weight for portability
     • Quite reliable but can crash. Can be damaged by laptops(Durability)
   • Floppy Disk
     • Can be snapped. Can be damaged by strong magnets or heat (Durability and Reliability)
     • Small Capacity
     • Slow Access Speeds
     • Portability: Lightweight and flat

2. Solid State

   • Flash Drive (USB or memory stick)
     • Medium/Large Capacity
     • Medium-Fast access speeds
     • Portability: Lightweight and small
     • Not affected by magnets. Quite hardy. Can be dropped without damaging contents (Durability and reliability)

3. Optical

   • CD
     • Medium Capacity
     • Fast access speeds
     • Portability: Lightweight and flat
     • Easily scratched and will not work. Can only be written to once(Durability and reliability)
   • Blu-ray Disc
     • Large Capcity
     • Fast Access Speeds
     • Portability: Lightweight and Flat
     • Easily scratched and will not work (Durability and Reliability)
   • DVD
     • Portability: Lightweight and flat
     • Easily scratched and will not work (Durability and Reliability)
     • Large Capacity
     • Fast Access Speeds