Tuesday, 14 May 2013

unit 14 d2


positive points


  • it is quick and easy to use.
  • you can send a text from the other side of your room.
  • the picture is clear to see.
  • its easy to connect
  • negative points:

  • it could take ages depending if your memory is full or not.
  • picture could come through big or small.
  • it wont send if you are far away from it.
  • may take ages to find the pair you want
  • sometimes you need a code to pair with people

Tuesday, 7 May 2013

M1 unit 14

Protocols and devices keep data safe because;

  • they have passwords so no one can break into them
  • they have viruses that no one else can get 
  • they have a security key that keeps people away so when they try to break in the security key knows when somethings happening.
  • protocols have something called encripted, this is a device that blocks people from your internet and has all different codes behind it to keep it safe.