11. Which option is best to eliminate the memory problem?

1. 1. use virtual destructor

   
   
   

   2. use smart pointers & virtual destructor

   
   
   

   3. use smart pointers

   
   
   

   4. use raw pointers

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Virtual destructor means is that the object is destructed in reverse order in which it was constructed and the smart pointer will delete the object from memory when the object goes out of scope.

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12. What is the size of the heap?

1. 1. Size of the heap memory is limited by the size of the RAM and the swap memory

   
   
   

   2. 10MB

   
   
   

   3. 500MB

   
   
   

   4. 1GB

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Size of the heap memory is limited by the size of the RAM and the swap memory.

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13. Which is used to pass the large objects in c++?

1. 1. pass by reference

   
   
   

   2. pass by value

   
   
   

   3. both reference & pass by value

   
   
   

   4. function

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Because by using pass by reference we need to pass only address location, So it can save a lot of memory.

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14. Which is used to allocate and deallocate storage for objects during the execution?

1. 1. Freestore

   
   
   

   2. Stack

   
   
   

   3. Heap

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Free store is a pool of memory available for you to allocate and deallocate storage for objects during the execution of your program.

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15. How can object be allocated outside the object lifetime?

1. 1. float

   
   
   

   2. void*

   
   
   

   3. int

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   void*

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