CS504 Quiz 3 Set 2

Q1. In composition ____________ are called from composing objects to composed objects.

1. Pointers
2. Constructors
3. Destructors
4. Member Functions

Correct answer: Constructors

Q2. Which of the following statement is TRUE about a class's Static Member Function?

1. It can access non-static data members.
2. It is used to access static data members only.
3. It can only be called by a particular object of class.
4. It can access constant data members of the class.

Correct answer: It is used to access static data members only.

Q3. While implementing ___________ in OOP paradigm, objects can exist independently.

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

Correct answer: Aggregation

Q4. Which of these violates encapsulation in object-oriented programming?

1. Constructors
2. Friend functions
3. Destructors
4. Virtual functions

Correct answer: Friend functions

Q5. Which keyword is used in the function header to define an overloaded operator?

1. new
2. overload
3. operator
4. function

Correct answer: operator

Q6. What is the arity of a binary operator +?

1. 1
2. 0
3. 2
4. Unlimited

Correct answer: 2

Q7. Student *ptr = new Student(“Ali”); is an example of __________.

1. Dynamic memory allocation
2. Destructor
3. Static memory allocation
4. Constructor

Correct answer: Dynamic memory allocation

Q8. Memory is allocated to non-static members only, when _______________.

1. Object is created
2. Class is created
3. Object is destructed
4. Program is compiled

Correct answer: Object is created

Q9. What does return *this; do in an overloaded assignment operator?

1. Returns a temporary object
2. Returns a reference to the current object
3. Terminates the function
4. Returns a pointer

Correct answer: Returns a reference to the current object

Q10. Which operator overload is necessary to support c3 += 0.087; in Complex?

1. operator =(Complex&)
2. operator +(double&, Complex&)
3. operator +=(double&)
4. operator +(Complex&, double&)

Correct answer: operator +(double&, Complex&)

Q11. Whole Part Structure is also called ______

1. Association
2. Specialization
3. Aggregation
4. Generalization

Correct answer: Aggregation

Q12. ___________ is concerned with decomposing a system into interacting sub-systems.

1. Control Modeling
2. System Structuring
3. Modular Decomposition
4. Work Breakdown Structure

Correct answer: System Structuring

Q13. _________________ architectural model is widely used in mainframe application.

1. Layered Model
2. Repository Model
3. Client-Server Model
4. Filter Model

Correct answer: Repository Model

Q14. ________ has become a standard notation for object oriented system modeling.

1. C++
2. UML
3. OCL (object Constraint Language)
4. Java

Correct answer: UML

Q15. Aynchronous messages :

1. are shown by dotted line
2. occurs in multi-threaded applications
3. are implemented as operation call
4. These block caller before response

Correct answer: are shown by dotted line

Q16. Performance, Security and maintainability are the types of ________ requirements.

1. Business
2. Functional
3. Domain
4. Non-Functional

Correct answer: Non-Functional

Q17. A useful technique for evaluating the overall complexity of a proposed

architecture is to look at the

component's _______ .

A. flow dependencies and sharing dependencies

B. size and cost C. number and size of components D. function points

Q18. Maintainability and Portability issues are discussed in _____________.

1. Code View
2. Physical View
3. Functional View
4. Logical View

Correct answer: Code View

Q19. Defining the services of an object means:

1. Whome it knows?
2. What it knows?
3. Who knows it?
4. What it does?

Correct answer: What it does?

Q20. Selecting Objects (in a domain) include:

1. Only Actors
2. Only Actors and Places
3. Actors, Participants and Places
4. Only Participants

Correct answer: Actors, Participants and Places