Storage methods mindmap

Storage methods mindmap

1. Dat tapes

   • Small in size so they are easy to store off site.
   • Use a small ammount of power compared to hard drives
   • Slow to retrieve data
   • difficult to restore selected files

2. Hard drive

   • Stored items are not lost of the computer is turned off.
   • Very large storage capacity
   • Relatively low cost
   • Far slower to access data than ROM and RAM chips
   • Disk is stored inside the computer so its hard to move

3. Online storage

   • Great for disaster recovery as servers are usualy far away
   • Files can be accesed anywhere where there is internet connection
   • Cant access data if there is no internet connection
   • Storage space has limits and cost to expand

4. Optical storage

   • Very cheap to produce
   • Small and portable
   • Fairly fast to access data
   • Fragile and easy to scratch
   • Storage capacity is fairly small