5. _________ is used for detecting mouse motion. a) Optical sensor b) Rollers on the bottom of mouse c) Both a and b d) Sensor
Rollers and optical sensors are used to record the amount and direction of movement.Electro-optical sensors are electronic detectors that convert light, or a change in light, into an electronic signal. These sensors are able to detect electromagnetic radiation from the infrared up to the ultraviolet wavelengths.