computing revision

computing revision

1. cloud computing

   • cloud computing
     • it stores your data in loads of buildings around the world
       • no one can get into it apart from you
         • you can get into it any where

2. passwords

   • must have a miniman of 8 letters
     • a strong password contains letters symbels and upper case and lower case
       • dont tell anyone your password
         • dont use names of pets or things you like or it will be easy to guss

3. file management

   • a folder inside a folder is called a sub-folder
     • we use it to organize and keep trak of files
       • it is easy to organise and retrive files
         • you can colaberate with others
           • you can get back lost files

4. c.p.u

   • process infomatoin fast
     • works fast
     • but gets hot very fast

5. ram

   • ram is faster
     • but does not store data off
       • expensive
         • multi tasks very fast

6. secondary storage

   • magnetic storage
     • very affordable
       • we can get it in floppy disks and memory disks
         • it is durable
   • it can process a huge amount of data
     • it is very durable
       • you can get it in floppy disks and memory sticks
     • external storage