Q. In reading the columns of a matrix, if no key is pressed we should get all in binary notation
✅ Correct Answer: (B)
1
Mechatronics MCQs | Page - 8
Dear candidates you will find MCQ questions of Mechatronics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. If we need to operate a key of a keyboard in an interrupt mode, then it will generate what kind of interrupt?
✅ Correct Answer: (B)
ex0/ex1
Q. To identify that which key is being pressed, we need to:
✅ Correct Answer: (B)
ground pins of the port one at a time
Q. Key press detection and Key identification are:
✅ Correct Answer: (B)
two different works are done in keyboard interfacing
Q. How many rows and columns are present in a 16*2 alphanumeric LCD?
✅ Correct Answer: (D)
rows=2, columns=16
Q. Which pin of the LCD is used for adjusting its contrast?
✅ Correct Answer: (C)
pin no 3
Q. Where and when was the word Mechatronics invented?
✅ Correct Answer: (A)
japan(1960)
Q. What is the function of an input signal conditioning unit?
✅ Correct Answer: (B)
to amplify the signal and convert it into digital form
Q. The main mechanical components of a servo motor are stator and rotor.
✅ Correct Answer: (A)
true
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