Software Engineering MCQs

1. What is the primary focus of function-oriented software design?

a) Object-oriented principles b) Decomposing the system into functions c) Database optimization d) User interface design

2. Which of the following is a key characteristic of function-oriented design?

a) Encapsulation b) Inheritance c) Modularity d) Polymorphism

3. In function-oriented design, what is a module?

a) A collection of objects b) A reusable software component c) A function or set of functions d) A database table

4. Which of the following is a disadvantage of function-oriented design?

a) High reusability b) Tight coupling between functions c) Easy maintenance d) Strong encapsulation

5. What is the main purpose of functional decomposition in software design?

a) To create a graphical user interface b) To break down a system into smaller, manageable functions c) To optimize database queries d) To implement inheritance

6. What does a Data Flow Diagram (DFD) represent?

a) Control flow of a program b) Flow of data in a system c) Class hierarchy d) Hardware architecture

7. Which of the following is NOT a component of a DFD?

a) Process b) Data Store c) External Entity d) Decision Node

8. What is the purpose of an external entity in a DFD?

a) To store data b) To represent a source or destination of data c) To perform calculations d) To define control logic

9. In a DFD, what does a data store represent?

a) A process that transforms data b) A repository where data is stored c) An external entity d) A decision point

10. What is the highest level of a DFD called?

a) Level 0 b) Level 1 c) Context Diagram d) Level 2

11. What is a Structure Chart used for in software design?

a) To represent data flow b) To depict the hierarchy of modules c) To model object-oriented classes d) To design user interfaces

12. Which of the following is a component of a Structure Chart?

a) Process b) Module c) Data Store d) External Entity

13. In a Structure Chart, what does a directed line between modules represent?

a) Data flow b) Control flow c) Inheritance d) Encapsulation

14. What is the purpose of a "library module" in a Structure Chart?

a) To store data b) To represent reusable functions c) To define control logic d) To model external entities

15. Which of the following is true about a Structure Chart?

a) It shows the flow of data between processes b) It represents the hierarchy and interaction of modules c) It is used to design databases d) It focuses on object-oriented principles

16. Which diagram is used to represent the flow of data in a system?

a) Structure Chart b) Data Flow Diagram c) Class Diagram d) Use Case Diagram

17. In function-oriented design, what is the relationship between modules?

a) Inheritance b) Polymorphism c) Coupling and cohesion d) Encapsulation

18. Which of the following is a benefit of using a Structure Chart?

a) It shows the flow of data b) It provides a clear hierarchy of modules c) It models object-oriented classes d) It represents external entities

19. What is the primary difference between a DFD and a Structure Chart?

a) DFD shows data flow, while Structure Chart shows module hierarchy b) DFD is used for object-oriented design, while Structure Chart is for function-oriented design c) DFD represents control flow, while Structure Chart represents data flow d) DFD is used for hardware design, while Structure Chart is for software design

20. Which of the following is a key principle of function-oriented design?

a) Encapsulation b) Modularity c) Inheritance d) Polymorphism

Software Engineering MCQs

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