MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which is the correct statement about pure virtual functions? |
| A. | They should be defined inside a base class |
| B. | Pure keyword should be used to declare a pure virtual function |
| C. | Pure virtual function is implemented in derived classes |
| D. | Pure virtual function cannot implemented in derived classes |
| E. | |
| Answer» D. Pure virtual function cannot implemented in derived classes | |
| 2. |
We can make an instance of an abstract super class |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true and false |
| D. | Can not say |
| Answer» C. Can be true and false | |
| 3. |
We cannot make an instance of an abstract base class |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true and false |
| D. | Can not say |
| Answer» B. FALSE | |
| 4. |
Classes that can be used to instantiate objects are called? |
| A. | concrete classes |
| B. | interface |
| C. | abstract class |
| D. | None of the above |
| Answer» B. interface | |
| 5. |
A pure virtual function is specified by placing? |
| A. | -1 |
| B. | 0 |
| C. | 1 |
| D. | infinite |
| Answer» C. 1 | |
| 6. |
A class is made abstract by declaring at least one of its functions as? |
| A. | impure virtual function |
| B. | pure virtual function |
| C. | pure abstract function |
| D. | impure abstract function |
| Answer» C. pure abstract function | |