CS304P Quiz 1 Set 4

Q1. How many entities are involved in a ternary relationship?

1. exactly 3
2. 3 or more
3. More than 3
4. less than 3

Correct answer: exactly 3

Q2. Interaction of different objects in OO model is known as ______.

1. Encapsulation
2. Abstraction
3. Inheritance
4. Association

Correct answer: Association

Q3. Chair is a(an) ______ object and patent is a(an) _____ object.

1. Intangible, Intangible
2. Intangible. Tangible
3. Tangible, Intangible
4. Tangible, Tangible

Correct answer: Tangible, Intangible

Q4. Which of the following is the default access specifier for members of a class?

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

Correct answer: private

Q5. Which of the following concept deals with the security of data?

1. Polymorphism
2. Inheritance
3. Generalization
4. Data Hiding

Correct answer: Data Hiding

Q6. Which of the following is NOT true about constructor?

1. Constrcutor can be a constant function
2. Constructor does not have return type
3. Constructor is a special function having the same name as the class name
4. Constructors are commonly public members

Correct answer: Constrcutor can be a constant function

Q7. Which of the following is correct way of declaring the attribute as a public?

1. class Student public: { char *name;};
2. class Student { char *name;};
3. class Student { public: char *name;};
4. class public Student { char *name;};

Correct answer: class Student { public: char *name;};

Q8. ___________ is a concept to extract common behaviours by using Bottom to Top approach.

1. Specialization
2. Sub-typing
3. Generalization
4. Extension

Correct answer: Generalization

Q9. Which of the following can be the attribute of the Employee class?

1. Roll Number
2. GPA
3. Salary
4. Course

Correct answer: Salary

Q10. Which of the following class cannot exist standalone in an object model?

1. Concrete Class
2. Abstract Class
3. Derived Class
4. Friend Class

Correct answer: Abstract Class