The first part is a part of the screen, the OS (Operating System) of various types in this example, the Windows operating system, which in the Board's work will be exposed to the Board at all, using fingers or? Lol
The second part is the portion of the screen, whiteboard in this section is like a Blackboard or Whiteboard. White walls that Blackboard or white board. Will need to use a pen or chok magic used in writing. This point, which is the advantage of smart boards, or Interactive White Board
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The third part is the projector. This section will be a part of it for the display of a computer Board
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