| 1. | Which of the following type of class allows only one object of it to be created? |
| a. | Virtual class |
| b. | Abstract class |
| c. | Singleton class |
| d. | Friend class |
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Answer: (c).Singleton class
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| 2. | Which of the following is not a type of constructor? |
| a. | Copy constructor |
| b. | Friend constructor |
| c. | Default constructor |
| d. | Parameterized constructor |
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Answer: (b).Friend constructor
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| 3. | Which of the following statements is correct? |
| a. | Base class pointer cannot point to derived class. |
| b. | Derived class pointer cannot point to base class. |
| c. | Pointer to derived class cannot be created. |
| d. | Pointer to base class cannot be created. |
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Answer: (b).Derived class pointer cannot point to base class.
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| 4. | Which of the following is not the member of class? |
| a. | Static function |
| b. | Friend function |
| c. | Const function |
| d. | Virtual function |
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Answer: (b).Friend function
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| 5. | Which of the following concepts means determining at runtime what method to invoke? |
| a. | Data hiding |
| b. | Dynamic Typing |
| c. | Dynamic binding |
| d. | Dynamic loading |
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Answer: (c).Dynamic binding
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| 6. | Which of the following term is used for a function defined inside a class? |
| a. | Member Variable |
| b. | Member function |
| c. | Class function |
| d. | Classic function |
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Answer: (b).Member function
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| 7. | Which of the following concept of oops allows compiler to insert arguments in a function call if it is not specified? |
| a. | Call by value |
| b. | Call by reference |
| c. | Default arguments |
| d. | Call by pointer |
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Answer: (c).Default arguments
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| 8. | How many instances of an abstract class can be created? |
| a. | 1 |
| b. | 2 |
| c. | 3 |
| d. | 0 |
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Answer: (d).0
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| 9. | Which of the following concepts of OOPS means exposing only necessary information to client? |
| a. | Encapsulation |
| b. | Abstraction |
| c. | Data hiding |
| d. | Data binding |
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Answer: (c).Data hiding
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| 10. | Why reference is not same as a pointer? |
| a. | A reference can never be null. |
| b. | A reference once established cannot be changed. |
| c. | Reference doesn't need an explicit dereferencing mechanism. |
| d. | All of the above. |
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Answer: (d).All of the above.
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