You touch it with your finger or a stylus.
touch screen capacitive works by the capacitance differential between the screen and your finger wherever there is difference in capacitance on the screen is where you are touching and the screen knows what function you are trying to do depending on what is displayed on the screen.
Because the computer screen works like a tv screen
The touch screen on a Garmin works by responding to pressure that is appllied to the screen.
Change the brightness of the screen sometimes works.
A computer screen is only an input device if it works with Touch Screen Technology else its output only
The Espons PowerLite works best with a screen, but it's not necessary to have.
it has a multitouch electronic board behind the screen
see if it moves on the screen
You have to press hard on the screen
No nothing but the your skin works on an iPod touch.
sun screen works by asorbing reflecting or scattering ultraviolet light the reby reducing
To go full screen in Minecraft, you press F11. (Not sure if it works on Mac, but it probably does)