1.3 storage

1.3 storage

1. Solid State Drive (SSD)

   • Harder to break due to no moving parts
     • More expensive than other alternatives
       • Reliable

2. Hard Disk Drive

   • Easier to break than some other alternatives
     • Large capacity of storage
       • magnetic storage
         • Cheaper than solid state

3. USB Memory stick

   • Quite expensive
     • very portable
       • reliable
         • durable
           • easily gets lost

4. Floppy Disk

   • Magnetic
     • Small capacity
       • Not very reliable

5. Reliable-Will it always work?

   • Durable-Is it easily a broken?
     • Capacity-How much data can it store?
       • Cost-How expensive is it?
         • Speed-How quick is the access speed time?
           • Portablility-How easily can it be moved from one place to another?

6. SD card

   • Portable
     • low capacity
       • quite cheap

7. storage ammounts

   • Kb-1000 Bytes
     • Mb-1000000 Bytes
       • Gb-1000000000 Bytes

8. CD

   • Low capacity
     • Cheap
       • Can only be read once made

9. There are many type of secondary storage

   • they are all good for different things
     • some can store more than others
       • they vary in price from one to another

10. there is 3 types of storage

    • magnetic
      • optical
        • solid state

11. secondary storage is to save a long term files

    • is non-volatile