Revision

Revision

1. cloud computing

   • advantages
     • data get's backed up in the cloud
     • it is compatible with other devices
     • cheaper
     • people can be independent with other devises
     • reliable software
   • disadvantages
     • you can only use cloud computing with the internet
     • some may loose the legal rights to store online
     • could be accessed by a third party
     • not many functions
     • poor storage

2. passwords

   • they should include a mixture of letters numbers and symbols
     • they are used to identify a character

3. file

   • this means when you save something it put's it in a seperate file

4. magnetic storage

   • advantages
     • cheap
       • fast access
   • disadvantages
     • it is easily damaged
     • it will slow down over time
     • slower access

5. solid state

   • advantages
     • it is very compact
     • it is portable
     • high speed data
   • disadvantages
     • it is more expensive
       • it is more vulnerable to power loss

6. optical storage

   • disadvantages
     • more expensive than DVD's
       • it can loose data when scratched
   • advantages
     • it can hold a lot more data
       • it is portable

7. abstraction

   • this means to focus on the important information only