1. Advantage No more space required for using it because touchpad is embedded in to laptop or keyboard.
2. Disadvantage----------------Gloves cannot be worn i.e. in a clean room or industrial environment where gloves need to be worn.
3. Disadvantage----------- Moist, sweaty or calloused fingers can disrupt the signals picked up by the sensors.
4. Purpose------A touch pad is a device for pointing (controlling input positioning) on a computer display screen. It is an alternative to the mouse. A touch pad works by sensing the user's finger movement and downward pressure.
5. Advantage-----------Touchpad has better as well as fast selection control any objects to mouse.
