211. What is the output of this program?
     

     #include 
         using namespace std;
         int main()
         {
             char ch[30];
             cout << "Enter Name: ";
             gets(ch);
             cout << "Name: ";
             puts(ch);
             return 0;
         }
     

1. 1. Runtime Error

   
   
   

   2. Garbage value

   
   
   

   3. Exception occur

   
   
   

   4. Compilation Error

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   In this program,we need to string header file to run this program.
   Compilation Error
   

   In function 'int main()':
   7:18: error: 'gets' was not declared in this scope
   

---

212. What does a default header file contain?

1. 1. declarations

   
   
   

   2. prototype

   
   
   

   3. implementation

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   In the header file, we define something that to be manipulated in the program.

---

---

213. Identify the incorrect statement.

1. 1. iostream is a standard header and iostream.h is a standard header

   
   
   

   2. iostream is a standard header and iostream.h is a non-standard header

   
   
   

   3. iostream is a non-standard header and iostream.h is a non-standard header

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   The iostream.h is used in the older versions of c++ and iostream is evolved from it in the std namespace.

---

214. Which of the following keyword is used to declare the header file?

1. 1. namespace

   
   
   

   2. string

   
   
   

   3. exclude

   
   
   

   4. include

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   The include keyword is used to include all the required things to execute the given code in the program.

---

---

215. What is the user-defined header file extension in c++?

1. 1. hf

   
   
   

   2. cpp

   
   
   

   3. h

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   h

---