Enter this unit can usually be found on laptops and notebooks, by using your fingertips. Usually this unit can be used instead of a mouse. In addition to the touchpad is a model similar units enter the pointing stick and trackball.
Touch pad
Touch Pad Track Ball
Pointing Stick
Light Pen
Light pen is an electronic pointer is used to modify and download the design drawings to the screen (monitor). Light pen has a sensor that can transmit light signals to a computer which is then recorded, where the monitor works by recording the electronic signal every six lines per second.
No comments:
Post a Comment