MCQOPTIONS
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This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Hexaware knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is correct form of type-casting in C++? |
| A. | per=total/(float)m |
| B. | per=(float) total/m |
| C. | per=total/float(m) |
| D. | per=float(total/m) |
| Answer» D. per=float(total/m) | |
| 2. |
Which of the following is not a function of aggregate function? |
| A. | Avg |
| B. | Count |
| C. | Create |
| D. | Max |
| Answer» D. Max | |
| 3. |
Which of the following is true for B+ trees: |
| A. | B+ trees are for storing data on disk. |
| B. | On B+ trees range queries are faster. |
| C. | B+ trees are for secondary indexes. |
| D. | B+ trees are for primary indexes. |
| Answer» C. B+ trees are for secondary indexes. | |
| 4. |
Predict the output of following C++ program. #include using namespace std; class abc { static int x; public: abc() { x++; } static int getX() {return x;} }; int Test::x = 0; int main() { cout << abc::getX() << " "; abc t[5]; cout << abc::getX(); } |
| A. | 55 |
| B. | 55 |
| C. | 05 |
| D. | 50 |
| Answer» D. 50 | |
| 5. |
7489 IC is a: |
| A. | 32 bit RAM |
| B. | 64 bit RAM |
| C. | 32 bit ROM |
| D. | 64 bit ROM |
| Answer» C. 32 bit ROM | |
| 6. |
Which of the following in the data structure in which insertion can place from any direction but deletion can only takes place from opposite direction: |
| A. | Stack |
| B. | Array |
| C. | Queue |
| D. | Tree |
| Answer» C. Queue | |