Input Device

Input device: 

An input device is an electromechanical device, which accepts data from outside world and translates them into a form suitable for computer processing. Several input devices are available today.

Figure: Input Devices

They can be classified into following categories:

• Keyboard
• Terminals
• Mouse
• Touch Screen
• Barcode reader
• Optical Mark Reader (OMR)
• Optical Character Reader (OCR)
• Magnetic Ink Character Reader (MICR)
• Scanner
• Digital Camera, etc.