CS304P Quiz 8

Q1. Which of the following members of base class can be accessed in the derived class?

1. Both Protected and Public
2. Both Protected and Private
3. All (Public, Protected, and Private)
4. Both Public and Private

Correct answer: All (Public, Protected, and Private)

Q2. What is the name of Base class in the line below? class Truck : public Vehicle

1. Vehicle
2. Public
3. None of the given options
4. Truck

Correct answer: Public

Q3. In the case of protected inheritance, public members of the base class will be _____________ in the derived class.

1. Public
2. Protected
3. Hidden
4. Private

Correct answer: Protected

Q4. In the case of private inheritance, public members of the base class will be _____________ in the derived class.

1. Hidden
2. Public
3. Protected
4. Private

Correct answer: Protected

Q5. Consider the code below, class class1{ public: void func1(); }; class class2 : public class1 { }; Function func()1 of class1 is ______ in class2.

1. Hidden
2. Public
3. Protected
4. Private

Correct answer: Public

Q6. What will be the output of the following program? #include<iostream> using namespace std; class FirstNumber { private: int x; public: int y; FirstNumber () { x = 0; y = 10; } }; class SecondNumber: public FirstNumber { int z; public: int w; SecondNumber () : FirstNumber () { z = 20; w = y + z; cout<<w;} }; int main() { SecondNumber Obj; return 0; }

1. 10
2. 40
3. 20
4. 30

Correct answer: 30