MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Is there any difference between the usage of the size() and the length() function? |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 2. |
What is the use of the typeid() function? |
| A. | To find the datatype of the variable |
| B. | To find the const status of the variable |
| C. | To find the address of the variable |
| D. | To find the value of the variable |
| Answer» B. To find the const status of the variable | |
| 3. |
What is the conversion type for reinterpret casting? |
| A. | Pointer to Variable |
| B. | Variable to Variable |
| C. | Pointer to Pointer |
| D. | Variable to Pointer |
| Answer» D. Variable to Pointer | |
| 4. |
Who initiates explicit type casting? |
| A. | The programmer |
| B. | The compiler |
| C. | The microcontroller |
| D. | The assembler |
| Answer» B. The compiler | |
| 5. |
Who carries out implicit type casting? |
| A. | The programmer |
| B. | The assembler |
| C. | The compiler |
| D. | The microcontroller |
| Answer» D. The microcontroller | |
| 6. |
What is Type Casting? |
| A. | Converting a file from one type to another |
| B. | Creating new arrays |
| C. | Deleting the variable from memory |
| D. | Converting a variable from one type to another |
| Answer» E. | |
| 7. |
In C++ what type of operator is a cast operator? |
| A. | Unary |
| B. | Binary |
| C. | Ternary |
| D. | Quaternary |
| Answer» B. Binary | |