Interactive white board is an interactive display device that displays the computer screen that can be controlled using the electronic pen. It is also known as Smart Board. A projector, projects the computer screen on to the interactive board so that the user can control the PC by touching the surface of the board. It is easy to control all the actions of the computer through the board. You can write or draw on the interactive board using finger or electronic pen and also save the image in the computer. Interactive white boards are now widely used in classroom teaching, presentations etc. All operations on the computer can be realized on the interactive whiteboard.