What is a touch screen?

The touch screen display (Touch Screen) allows users to operate the host as long as they lightly touch the icons or text on the computer display with their fingers, which eliminates keyboard and mouse operations and makes human-computer interaction more straightforward. Mainly used in public hall information query, leadership office, electronic games, song ordering, multimedia teaching, air ticket/train ticket pre-sale, etc. The products are mainly divided into three categories: capacitive touch screen, resistive touch screen and surface acoustic wave touch screen.