letter d smart board activities.The interactive whiteboard can be information and communication with the computer, connect the whiteboard to a PC, and using a projector to the content on the PC screen is projected onto the whiteboard, in specialized applications with support, we can construct a large-screen, interactive Collaborative meeting or teaching environment. Using a specific stylus instead of a mouse to operate on a whiteboard, you can run any application that can edit, annotate, save, etc. any operation that can be done on the computer using the keyboard and mouse. The Yushchenko Infrared interactive whiteboard also supports copying, connecting the electronic whiteboard directly to the printer, and using a specific whiteboard pen to print the book. When printing, just press the print button on the panel to print in color or black and white. It can also be used as a PC whiteboard to connect the electronic whiteboard to the PC. At this time, the electronic whiteboard is equivalent to a particularly large tablet, which can be written, drawn and instantly displayed on the PC. The file is saved as a graphic file. . This feature generally requires a dedicated application support. If you use a specific application such as MICROSOFT's NTEMEETING, the interactive whiteboard can communicate with other offices and conference rooms through the network to realize web conferences.