storage devices

storage devices

1. magnetic

   • disevantages
     • it's got moving parts
       • it could break easily
   • advantages
     • high in storage copasity
       • fast access
     • cheap
   • computer,pc

2. punch cards were made in the 1700

   • punch cards are made of paper
     • they were the first form of storage data

3. perpose

   • what do we use it for
     • so then we can save and keep it

4. optical

   • CD,DVDs,Blu-rays
     • can get scrached/damaged easyer
   • is portable
     • easy to snap /less durable than solid state
       • easy to scratch
       • is portable
   • can hold more than an avrage DVD
   • high speed of data
   • less reliable because it could get scrached

5. solid state

   • phone,tablet,gameing pc,laptop
   • advantages has no moveing parts
     • high speed
     • is very compact
     • more durible than opticail and magnetic
   • disivantages
     • it is more expencive than magnetic
       • more vunrable to abruptpower loss

6. on these the capasity are all differnt

7. purpose

   • what do we use storage for
     • so then we can save and keep it