Computer Science for IGCSE & O level - Hardware (Section 28 - No. 1)
In the context of an anti-lock braking system (ABS), what does the microprocessor use the wheel speed sensors for?
To control the car's acceleration.
To monitor tire pressure.
To detect when a wheel is about to lock up.
To activate the headlights.
Explication
The wheel speed sensors detect when a wheel is about to lock up under braking.