56. Pick the right option
    

    Statement (i) A definition is also a declaration.
    Statement (ii) An identifier can be declared just once.
    

1. 1. Statement (ii) is true, Statement (i) is false

   
   
   

   2. Statement (i) is true, Statement (ii) is false

   
   
   

   3. Both are true

   
   
   

   4. Both are false

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   An identifier can be declared many times must be defined just once.

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57. Which of the given statements are false.
    (i). extern int func;
    (ii). extern int func2(int,int);
    (iii). int func2(int,int);
    (iv). extern class foo;

1. 1. (ii), (iii) and (iv)

   
   
   

   2. (iii) and (iv) only

   
   
   

   3. (ii) and (iii) only

   
   
   

   4. only (iv)

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   No extern are allowed for class declarations.

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58. Pick the right option
    

    Statement (i) Global values are not initialized by the stream.
    Statement (ii) Local values are implicitly initialised to 0.
    

1. 1. Statement (i) is true, Statement (i) is false

   
   
   

   2. Statement (i) is true, Statement (ii) is false

   
   
   

   3. Both are true

   
   
   

   4. Both are false

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Global values are implicitly initialised to 0, but local values have to be initialised by the system.

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59. Can two functions declare variables(non static) with the same name.

1. 1. Yes

   
   
   

   2. No

   
   
   

   3. No, it gives a runtime error

   
   
   

   4. Yes, but not a very efficient way to write programs

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   We can declare variables with the same name in two functions because their scope lies within the function.

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60. What is the output of this program?
    

    #include 
        using namespace std;
        void Output()
        {
            static int p = 1;
            int k;
            for(k=p; k<=3; k++)
            {
            p++;
            cout << p;
            }
        }
        int main()
        {
            Output();
            Output();
            Output();
            return 0;
        }
    

1. 1. 0123

   
   
   

   2. 123

   
   
   

   3. 234

   
   
   

   4. 012345

   
   
   

   5. 01234

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The variable that is declared as static has a file scope.

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