output
A touch screen is both input and output. The touch sensor is input, the display screen is output.
Both. There's a touch panel that is used to feed information in to the device (input) and a screen underneath the touch panel to display stuff (output). This makes it to be both input and output.
an input
Touch screen is an input device.
Output. Unless it is a touch screen type, then it doubles as an input device.
The input would be you pressing the keys and the output would be the letters on the screen?
It is both. The output device shows you images on the screen, while the input device allows you to interact with objects on the screen (e.g., touch the screen to select an option).
I believe you are referring to the screen only. A touch screen works as a input and output device
"Touch screen "acts as both input and output devices
A touch-screen is an input device - the computer reacts to the choice you make by touching the screen.
A camera is an input device. The information recorded can be displayed on an output device such as a screen. The screen may be a part of the camera body.