What is an interactive whiteboard?

Interactive electronic whiteboard：

The interactive electronic whiteboard can communicate with the computer, connect the electronic whiteboard to the computer, 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.