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. |
How many types of macros are there? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 2. |
#warning and #error are two preprocessor directives and the job of #warning is to throw a message to the Arduino IDE. However, which of these preprocessor directives stops the compilation process? |
| A. | #error |
| B. | #warning |
| C. | #include |
| D. | #define |
| Answer» B. #warning | |
| 3. |
What character does the preprocessor look out for whilst searching for commands in the code? |
| A. | x |
| B. | @ |
| C. | # |
| D. | ! |
| Answer» D. ! | |
| 4. |
What is the way of throwing an error using preprocessing directives to the Arduino Compiler and forcing it to stop compilation? |
| A. | #stop |
| B. | #cut |
| C. | #error |
| D. | #warning |
| Answer» D. #warning | |
| 5. |
Give the output of the following code. |
| A. | Error |
| B. | 12 |
| C. | 1 |
| D. | 13View Answer |
| Answer» C. 1 | |
| 6. |
What would the following code output? |
| A. | Error |
| B. | 0 |
| C. | 0xa |
| D. | 0xABView Answer |
| Answer» B. 0 | |
| 7. |
What is the correct execution process of an Arduino code. |
| A. | Editor->Compiler->Preprocessor |
| B. | Editor->Preprocessor->Compiler |
| C. | Preprocessor->Editor->Compiler |
| D. | Compiler->Preprocessor->Editor |
| Answer» C. Preprocessor->Editor->Compiler | |
| 8. |
What is the use of #define? |
| A. | To define macros |
| B. | To define pointer variables |
| C. | To define file names |
| D. | To create variables |
| Answer» B. To define pointer variables | |
| 9. |
Check the validity of the two statements derived from the two lines of code supplied below. |
| A. | Statements i, ii and iii are all false |
| B. | Only Statement iii is false |
| C. | Statements ii and iii are true |
| D. | Only statement i is trueView Answer |
| Answer» C. Statements ii and iii are true | |
| 10. |
What is the #include Preprocessor Directive used for? |
| A. | For getting operating system information |
| B. | For performing read/write operations |
| C. | For importing header files or other codes into the existing code |
| D. | For compiling the written code |
| Answer» D. For compiling the written code | |