Both. You Input data in using your touch, and receive data from the screen e.g. Text Messages :)
This makes it both an input and output device.
Because the outside has put one touch screen panel, so then any LCD/LED can change as touch screen.
A touch screen is both input and output. The touch sensor is input, the display screen is output.
Take off the sticker.
The case is touching the screen.
Put your finger on the screen ... and swipe and stuff
no the screen is to small
It depends what device you put it on...
it is used to put information into a device
grid location
Put two fingers in the centre of the screen and slide your two fingers out to the sides of the screen.
settings- general - password lock
On old Touch screens it is a thin sheet of clear palstic attached to sensores and the screen is underneath , when you press it down you put More Pressure on one part of the plastic and the sensors sense it thus giving the MB the command to select where your finger touched