A. Trackball
B. Joystick
C. Light pen
D. Plotters
Related Mcqs:
- A photochemical reaction is
- The performance of a windmill rotor is indicated by plotting the variation of
- LED stands for?
- The blueness of the sky is mainly due to __________?
- Which of the following statements about light is incorrect?
- In Bar graphs the bars should always start from:
- A light year is
- How do red and blue light differ?
- Which of the following lamp in a car will have the least wattage
- Which of the following has a wavelength shorter than that of violet light?
