It uses resistive expertise, which means there is a little air slit among two sheets of resistive structure contained by the Board. When you press on the Board with your finger or a normal dry-erase marker, a get in touch with point is registered and it organizes be in contact to the same area on the computer screen. Because the
SMART Board is based on resistive expertise, it does not require a particular stylus or pen to execute mouse or pen purposes at the Board, only heaviness on the Board's surface.