MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which function is used to print the maximum element from Valarray? |
| A. | change() |
| B. | min() |
| C. | swap() |
| D. | max() |
| Answer» E. | |
| 2. |
Which function is used to swap two Valarray? |
| A. | max() |
| B. | min() |
| C. | swap() |
| D. | change() |
| Answer» D. change() | |
| 3. |
Which of the following is correct about the shift? |
| A. | Returns new array after shifting elements by the given number |
| B. | Shifts the elements towards left if the argument supplied is positive |
| C. | Shifts the elements towards the right if the argument supplied is negative |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
What is the function of shift()? |
| A. | Applies the manipulation provided to all the elements of the array |
| B. | Returns the summation of all elements of Valarray |
| C. | Returns new array after shifting elements by the given number |
| D. | Returns new array after circular shifting elements by the given number |
| Answer» D. Returns new array after circular shifting elements by the given number | |
| 5. |
What is the use of sum() function in Valarray? |
| A. | Applies the manipulation provided to all the elements of the array |
| B. | Returns the summation of all elements of Valarray |
| C. | Returns new array after shifting elements by the given number |
| D. | Returns new array after circular shifting elements by the given number |
| Answer» C. Returns new array after shifting elements by the given number | |
| 6. |
What is the use of apply() function in Valarray? |
| A. | Returns new array after shifting elements by the given number |
| B. | Returns the summation of all elements of the Valarray |
| C. | Applies the manipulation provided to all the elements of the array |
| D. | Returns new array after circular shifting elements by the given number |
| Answer» D. Returns new array after circular shifting elements by the given number | |
| 7. |
Which header file is required for using Valarray? |
| A. | <array> |
| B. | <Valarray> |
| C. | <stl> |
| D. | <algorithm> |
| Answer» C. <stl> | |
| 8. |
Which of the following is correct about Valarray? |
| A. | Supports element-wise mathematical operations |
| B. | Slower than a normal array |
| C. | Harder to use |
| D. | Can have only integer Valarrays |
| Answer» B. Slower than a normal array | |
| 9. |
What is Valarray in C++? |
| A. | Container for efficient operations on an array |
| B. | Container for efficient printing of the array |
| C. | Container for efficient value conversion of array |
| D. | Container for efficient type conversion of array |
| Answer» B. Container for efficient printing of the array | |