MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the signal generated by the code at ‘y’ below if the input to ‘x’ is given as 1100? |
| A. | 11 |
| B. | 10 |
| C. | 00 |
| D. | 01View Answer |
| Answer» B. 10 | |
| 2. |
If we would require a technique which would be able to run the setup() function for ‘n’ times, which one would we use? Choose the correct Combination that works. |
| A. | BC |
| B. | A |
| C. | C |
| D. | BView Answer |
| Answer» C. C | |
| 3. |
How many times will the code run? |
| A. | 1 |
| B. | 3 |
| C. | 5 |
| D. | 7View Answer |
| Answer» D. 7View Answer | |
| 4. |
What do we need to do if we want to run the setup() function in an infinite loop? |
| A. | Call the setup() function from a custom named function |
| B. | Call the setup() function from a constructor |
| C. | Call the setup() function from the loop() function |
| D. | Call the setup() function from the destructor |
| Answer» D. Call the setup() function from the destructor | |
| 5. |
What are the errors in the code given below? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4View Answer |
| Answer» D. 4View Answer | |
| 6. |
What is the output of the following code if the input voltage to pin1 is 0V,3.3V, 3.2V, and 5V (assuming 0V – 0, 3.2V – 492, 3.3V – 501, 5V -1023)? |
| A. | 0101 |
| B. | 1011 |
| C. | 1100 |
| D. | 1111View Answer |
| Answer» B. 1011 | |
| 7. |
Given below are 2 snippets of code. Which one(s) are/is correct in order to generate an output signal of the form given below?a. |
| A. | Only a |
| B. | Only b |
| C. | Neither a nor b |
| D. | Both a and bView Answer |
| Answer» E. | |
| 8. |
Is it syntactically correct to write the loop() function over the setup() function while writing an Arduino program? |
| A. | No, it is not syntactically correct |
| B. | Yes, it is syntactically correct but will result in the loop() method executing first |
| C. | Yes, it is syntactically correct and the setup() function will execute first |
| D. | It is syntactically correct but logically wrong |
| Answer» D. It is syntactically correct but logically wrong | |
| 9. |
Can the setup() function change the value of constant variables? |
| A. | Yes, it can change |
| B. | No, it cannot change |
| C. | Yes, it can change but only integer values |
| D. | Yes, it can change but only byte values |
| Answer» C. Yes, it can change but only integer values | |
| 10. |
How many times does the setup() function run on every startup of the Arduino System? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |