MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your C knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_OF_THE_FOLLOWING_STATEMENTS_IS_CORRECT??$ |
| A. | Each derived class does not have its own version of a virtual method |
| B. | If a derived class does not have its own version of virtual method then one in base class is used |
| C. | By default methods are virtual |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 2. |
WHICH_AMONG_THE_FOLLOWING_CAN‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•T_BE_USED_FOR_POLYMORPHISM??$# |
| A. | Static member functions |
| B. | Member functions overloading |
| C. | Predefined operator overloading |
| D. | Constructor overloading |
| Answer» B. Member functions overloading | |
| 3. |
Its base classIts derived class$ |
| A. | Its base class Its derived class |
| B. | Its derived classIts base class |
| C. | Its derived class Its base class |
| Answer» B. Its derived classIts base class | |
| 4. |
1 1 1$ |
| A. | 1 2 3 |
| B. | ‘1’ ‘1’ ‘1’ |
| C. | An exception is thrown |
| Answer» C. An exception is thrown | |
| 5. |
Demo’s check Derived’s check$ |
| A. | Demo’s check Demo’s check |
| B. | Derived’s check Demo’s check |
| C. | Syntax error |
| Answer» B. Derived‚Äö√Ñ√∂‚àö√ë‚àö¬•s check Demo‚Äö√Ñ√∂‚àö√ë‚àö¬•s check | |
| 6. |
Which_among_the_following_can_show_polymorphism? |
| A. | Overloading || |
| B. | Overloading += |
| C. | Overloading << |
| D. | Overloading && |
| Answer» B. Overloading += | |
| 7. |
f1() of derived class get execute? |
| A. | of derived class get executed |
| B. | of base class get executed |
| C. | f1() of base class get executed |
| D. | of derived class get executed |
| Answer» E. | |
| 8. |
A class in which one or more methods are only implemented to raise an exception is called an abstract class. True or False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The subject class version of a() method gets called using sample class reference which holds subject class object |
| A. | subject class hides a() method of base class |
| B. | The code replaces the subject class version of a() with its math class version |
| C. | None of the mentioned |
| Answer» D. | |
| 10. |
Only class student can show polymorphism |
| A. | Only class student and topper together can show polymorphism |
| B. | All class student, topper and average together can show polymorphism |
| C. | Class failed should also inherit class student for this code to work for polymorphism |
| Answer» C. Class failed should also inherit class student for this code to work for polymorphism | |
| 11. |
Which of the following keyword is used to change data and behavior of a base class by replacing a member of the base class with a new derived member? |
| A. | Overloads |
| B. | Overrides |
| C. | new |
| D. | base |
| Answer» E. | |
| 12. |
100 150 1000 |
| A. | 1000 150 1000 |
| B. | 100 150 1000 |
| C. | 100 150 100 |
| Answer» D. | |