Question 1

Which statement should be added in the following program to make work it correctly? using namespace std; int main (int argc, const char * argv[]) { cout<<"Hello"; }

Options :

A : #include

B : #include

C : #include

D :

#include

Answer: C

Question 2

What happens when you attempt to compile and run the following code? #include #include using namespace std; int main() { string s1[]= {"How" , "to" }; s1[0].swap(s1[1]); for (int i=0; i<2; i++) { cout << s1[i]; } return( 0 ); }

Options :

A : It prints: Hoto

B : It prints: toHow

C : It prints: Ht

D : It prints: to

Answer: B

Question 3

Which statement should be added in the following program to make work it correctly? using namespace std; int main (int argc, const char * argv[]) { cout<<"Hello"; }

Options :

A : #include

B : #include

C : #include

D :

#include

Answer: C

Question 4

What is the output of the program given below? #include using namespace std; int main (int argc, const char * argv[]) { enum state { ok, error, warning}; enum state s1, s2, s3, s4; s1 = ok; s2 = warning; s3 = error; s4 = ok; cout << s1<< s2<< s3<< s4; return 0; }

Options :

A : 1234

B : compilation fails

C : 0210

D : 1322

Answer: C

Question 5

Which of the following operators accept integer arguments only? (Choose two.)

Options :

A : |

B : | |

C : ~

D : !

Answer: A,C

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