Question 1

What will the variable "age" be in class B? class A { int x; protected: int y; public: int age; A () { age=5; }; }; class B : public A { string name; public: B () { name="Bob"; }; void Print() { cout << name << age; } };

Options :

A : public

B : private

C : protected

D : None of these

Answer: A

Question 2

What happens when you attempt to compile and run the following code? #include using namespace std; int op(int x, int y); int main() { float *pf; float f=0.9; pf=&f; cout << op(1, *pf); return 0; } int op(int x, int y) { return x*y; }

Options :

A : It prints: 0

B : It prints: 0.5

C : It prints: 1

D : It prints: ?1

Answer: A

Question 3

What happens when you attempt to compile and run the following code?

Options :

A : It prints: 1

B : It causes a compilation error

C : It prints: 0

D : It prints: My exception,

Answer: B

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

What happens when you attempt to compile and run the following code? #include using namespace std; int main() { const int x=0; const int *ptr; ptr = &x; cout<<*ptr; return 0; }

Options :

A : It prints: 0

B : It prints address of x

C : It prints: 1

D : Compilation error

Answer: A

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