1. What is the use of the function “showbase”?

1. 1. Function Argument

   
   
   

   2. Indicate the base used

   
   
   

   3. Indicate the variable

   
   
   

   4. Indicate the base used & variable

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Indicate the base used

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2. What is the output of this program?
   

   #include <iostream>
       using namespace std;
       int main()
       {
           unsigned long num = 56;
           cout << num << oct <<" " << num << endl;
           return 0;
       }
   

1. 1. 56

   
   
   

   2. 70

   
   
   

   3. 70 56

   
   
   

   4. 56 70

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   In this program, We are finding the octal number of given number by using oct function.

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3. What is the output of this program?
   

    #include <iostream>
       #include <iomanip>
       using namespace std;
       void showDate(int mm, int dd, int yy)
       {
           cout << setfill('0');
           cout << setw(2) << mm << '/'
           << setw(2) << dd << '/'
           << setw(4) << yy << endl;
       }
       int main()
       {
           showDate(1, 1, 2019);
           return 0;
       }
   

1. 1. 01

   
   
   

   2. 01

   
   
   

   3. 2019

   
   
   

   4. 01/01/2019

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   In this program, We are using the setw function to print the date in correct format.

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4. Which function allows you to set minimum width for the next input?

1. 1. setwidth

   
   
   

   2. setfill

   
   
   

   3. setw

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   setw function of iomanip header file allows you to set minimum width for the next input.

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5. Choose the correct formatted code.

1. 1. int main()
      {
      cout << 10;}

   
   
   

   2. int main(){
      cout << “10”}

   
   
   

   3. int main()
      {
      cout << “10”;
      }

   
   
   

   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 braces that tell where a function begins and ends should be aligned with the function name and be on their own lines.

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