storage

storage

1. optical

   • disadvantages
     • it is less durable and has low capacity
   • advantages
     • portable,can be used in a variety of devices and is cheap
   • examples
     • It uses a laser to read and write CDs, DVDs and blu-rays

2. magnetic

   • advantages
     • it's more cost effective
   • examples
     • The hard drive inside your PC or laptop.
   • disadvantages
     • less durable than solid state or optical

3. purpose

   • what do we use storage for?
     • Can be used to store data, such as operating system, programs and files.

4. solid state

   • advantages
     • high read write speed, energy efficient and more durable than magnetic
   • examples
     • phones,tablets and USB sticks
   • disadvantages
     • not as cost effective as magnetic and low capacity

5. capacity

   • bytes,kilo bytes, mega bytes, gigabytes, terabytes, Petrabytes, exabytes.

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