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.
解释
Infrared touchscreens use an array of infrared sensors and transmitters to detect touch.