186. What is the Run-Time Type Information?
     

1. 1. Information about the given block

   
   
   

   2. Information about an object’s data type at runtime

   
   
   

   3. Information about the variables

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   With the help of RTTI, We can get the information about the data type at the runtime.

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187. Which is used to solve the memory management problem in c++?

1. 1. arrays

   
   
   

   2. stack

   
   
   

   3. smart pointers

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   smart pointers

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188. What are the operators available in dynamic memory allocation?

1. 1. compare

   
   
   

   2. new

   
   
   

   3. delete

   
   
   

   4. both new & delete

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   new and delete operators are mainly used to allocate and deallocate during runtime.

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189. What is meant by garbage collection?

1. 1. Used to replace the variables

   
   
   

   2. The form of manual memory management

   
   
   

   3. The form of automatic memory management

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The garbage collection attempts to reclaim memory occupied by objects that are no longer in use by the program.

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190. What is the output of this program?
     

     #include <iostream>
         #include <string.h>
         using namespace std;
         int main()
         {
             try
             {
                 char *ptr;
                 strcpy(ptr, "Who are u?");
             }
             catch(const exception& excep)
             {
             }
         }
     

1. 1. Compilation Error

   
   
   

   2. Who are u?

   
   
   

   3. Runtime Error

   
   
   

   4. segmentation fault

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   As we are using a pointer value to copy a string, So it will be producing a runtime error.

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