A. an optical character reader
B. a graph plotter
C. a visual display unit
D. a printer
Correct Answer: Option A
Explanation
Example of input devices are
- Keyboard.
- Mouse,
- Joystick
- Light Pen,
- Track Ball, Scanner, Digitizer, Microphone,
- Magnetic Ink Card Reader(MICR)
- Optical Character Reader(OCR)
- Bar Code Reader
- Optical Mark Reader(OMR)