Devices that are used to input data and instructions into the computer or any other computational device. Which translates numbers, letters and actions that user understands into a form that computer can process.
E.g.: When using a command prompt or application software, you typically use a keyboard to enter text and a mouse to issue commands. Keyboard and mouse are the most commonly used input devices.
In this chapter, I have included following different types of input devices.
- Touch Screen
- Trackball & Joystick
- Bar Code Reader
- Smart Card Reader
- Recognition Devices