Computer Science for IGCSE & O level - Hardware (Section 26 - No. 16)
What type of scanner uses a beam of infrared light to detect touch?
Resistive touchscreens.
Capacitive touchscreens.
Projective capacitive touchscreens.
Infrared touchscreens.
Giải thích
Infrared touchscreens use an array of infrared sensors and transmitters to detect touch.