Input Output Devices, Touch Screen
Input and Output Devices
Input devices are devices that you connect to your computer to input data, items such as the keyboard and mouse are input devices. Output devices are those that give us information from the computer, such as monitors and printers. There are also some devices that work as both an input and output devices , monitors and printers are good examples.
A touchscreen is an electronic visual display that the user can control through simple or multi-touch gestures by touching the screen with one or more fingers. Some touchscreens can also detect objects such as a stylus or ordinary or specially coated gloves. The user can use the touchscreen to react to what is displayed and to control how it is displayed (for example by zooming the text size).