An input devices is a hardware devices that sends data into the computer system. These devices are used to input (or enter) data and instruction into the computer system. All instructions are accepted by the CPU through electrical pulses from various kind of input devices. Some of the input devices are keyboard, pointing devices, scanner , MICR, OCR, OMR, Barcode Reader , Microphone (Mic), Web Camera, Digital Camera , Biometric Sensor, Smart Card Reader which explained as follows:

1. Keyboard 
2. Pointing Devices 

• Mouse
• Joystick
• Light pen
• Graphics Tablet
• Touch Screen
• Trackball

3. Scanner

4. MICR(Magnetic ink Character Recognition)

5. Barcode Reader

6. Microphone (Mic)

7. Web Camera

8. Digital Camera (Digicam)

9. Biometric Sensor

10. Smart Card Reader

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