11. Which method do we use to append more than one character at a time?

1. 1. append

   
   
   

   2. operator+=

   
   
   

   3. both append & operator+=

   
   
   

   4. data

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   data

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12. Which is an instantiation of the basic_string class template?

1. 1. String class

   
   
   

   2. Memory

   
   
   

   3. Character

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   The string class is an instantiation of the basic_string class template.

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13. Which character is used to terminate the string?

1. 1. Empty

   
   
   

   2. $

   
   
   

   3. Null

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   A string of characters is stored in successive elements of a character array are terminated by the NULL character.

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14. How does the strings are stored in the memory?

1. 1. Null

   
   
   

   2. Contiguous

   
   
   

   3. Non-contiguous

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   The characters of a string are stored contiguously in the memory.

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15. Where are the strings stored?

1. 1. Int

   
   
   

   2. Stack

   
   
   

   3. Heap

   
   
   

   4. Both Stack & Heap

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Both Stack & Heap

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