CS304 Quiz 1

Q1. Which of the following is NOT an access specifier in C++?

1. protected
2. public
3. hidden
4. private

Correct answer: hidden

Q2. Which of the following statements shows the inheritance relationship?

1. Doctor can be a person.
2. Doctor has a person.
3. Doctor is a person.
4. Doctor may be a person.

Correct answer: Doctor is a person.

Q3. cout is an object of ____ class.

1. fstream
2. istream
3. instream
4. ostream

Correct answer: ostream

Q4. “Object hides its information from others”, this concept is known as ________.

1. Specialization
2. Polymorphism
3. Information Hiding
4. Inheritance

Correct answer: Information Hiding

Q5. Generalization is _________ approach.

1. Bottom-up
2. Top-bottom
3. Right-Left
4. Left-Right

Correct answer: Bottom-up

Q6. Inheritance is a way to _________________.

1. organize data
2. add features to existing classes without rewriting them
3. improve data-hiding and encapsulation.
4. clean data

Correct answer: add features to existing classes without rewriting them

Q7. Generalization is implemented through ____________.

1. Inheritance
2. Composition
3. Polymorphism
4. Aggregation

Correct answer: Inheritance

Q8. Identify the abstract class from the given statement: "Vehicle class is base class. Bus, Car, and Truck are derived classes."

1. Truck
2. Bus
3. Car
4. Vehicle

Correct answer: Vehicle

Q9. In OOP, which of the following feature is used to derive a class from another class?

1. Inheritance
2. Data hiding
3. Encapsulation
4. Polymorphism

Correct answer: Inheritance

Q10. Static Data Member of a class is declared ___________.

1. Inside the class
2. Inside main() method
3. Outside the class
4. Outside the main() method

Correct answer: Inside the class