Storage Devices

Storage Devices

1. Magnetic

   • Examples
     • PCs, desktop computers, laptops and game consoles.
   • Advantages
     • Cost effective as it has a high capacity
     • Larger capacity than solid state.
   • Disavantages
     • Less durable than solid state as it has moving parts
     • It reads/ writes information slower than solid state so it is less reliable.

2. Purpose

   • Why is storage useful?
     • It can store data ( files, operating system, application)

3. Optical

   • Examples
     • CD's
     • DvD's
     • Bluerays
   • Advantages
     • Cost effective because it is very cheep.
     • Portable as you can carry it around easily
     • Can be used in a variety of devices
   • Disadvantages
     • Not durable (Easily scratched).
     • Limited capacity as there is not a lot of space.

4. Solid state.

   • Examples
     • Phones
     • Tablets
     • USB sticks
     • Memory chips
   • Advantages
     • Reliable as it has higher read/ write speed than magnetic.
     • Energy efficient
     • Durable as no moving parts and it won't break if you drop it.
   • Disadvantages
     • Not as cost effective than magnetic because it is pretty expensive for a storage device.
     • Limited read/ write lifespan as it is very fast.
     • Not as much capacity as magnetic storage.