O que é um quadro interativo?

Quadro eletrônico interativo：

O quadro eletrônico interativo pode se comunicar com o computador, conecte o quadro eletrônico ao computador, and use a projector to project the content on the computer onto the electronic whiteboard screen. With the support of specialized applications, a large-screen, interactive whiteboard can be constructed. collaborative meeting or teaching environment.
By using a specific positioning pen instead of a mouse to operate on the whiteboard, you can run any application, edit, annotate, save files, and other operations that can be performed using a keyboard and mouse on a computer.