36. In C++, what is the sign of character data type by default?

1. 1. Unsigned

   
   
   

   2. Implementation dependent

   
   
   

   3. Signed

   
   
   

   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 standard does not specify if plain char is signed or unsigned. There are three distinct character types according to the standard: char, signed char and unsigned char.

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37. What is the output of this program?
    

    #include 
    using namespace std;
        int main()
        {
            char ch = 'M';
     
            cout<< ch;
            return 0;
        }
    

1. 1. Compilation Error

   
   
   

   2. Runtime Error

   
   
   

   3. M

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   M

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38. How do we represent a wide character of the form wchar_t?

1. 1. la

   
   
   

   2. L[a].

   
   
   

   3. l’a’

   
   
   

   4. L’a’

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   A wide character is always indicated by immediately preceding the character literal by an L.

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39. What will be the output of this program?
    

    #include
    using namespace std;
        int main()
        {
            char ch = 65;
            cout<< ch;
            return 0;
        }
    

1. 1. 0

   
   
   

   2. 65

   
   
   

   3. A

   
   
   

   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 literal value for 65 is A. So it will be printing A.

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40. Which of the following belongs to the set of character types?

1. 1. only a

   
   
   

   2. char

   
   
   

   3. wchar_t

   
   
   

   4. both wchar_t and char

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   wchar_t and char is used to represent wide character and character.

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