The Difference Between A Touch Screen And A Trackpad

- Dec 04, 2018-

Touchscreen is an absolute positioning device.

Touchpad is a relative positioning device. The touchscreen is an absolute positioning device with a display as a reference, and the data given is absolutely coordinate. Panels such as ipad,iphone are integrated with touch screens.

The touchscreen is in the HID device class and is a device that belongs to the touch event. The trackpad is a relative positioning device that does not refer to the display as a reference, and the data given is relative coordinate data. Like a touchpad on a notebook.

In the HID device class, the touchpad is a device that belongs to the mouse event, and its work usually displays a cursor on the operating system, which works like a mouse.