In this tutorial, we will talk about Computer input & output devices. The input and output devices are collectively known as computer peripherals.
An input device enables us to input data and commands into the computer. The most common computer input devices are the keyboard and mouse. Some examples of the input devices are as follows:
- Touch screens
- Barcode Reader
The main function of an output device is to present processed information to the computer user. The output device may also return processed information to another computer. Some examples of the output devices are as follows:
The monitor is the most common type of computer output device. It is also called the Visual Display Unit (VDU).