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software design MCQs

Practise focused software design questions with marked answers for exam preparation and subject revision.

software design Mcqs
1. Which of the following is a mechanism that allows several objects in an class hierarchy to have different methods with the same name ?
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A. Polymorphism

B. All of the mentioned

C. Inheritance

D. Aggregation

2. A design description of an object is known as a class__________________?
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A. instance

B. object

C. case

D. both instance and object
3. The context diagram is also known as __________________?
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A. Level-1 DFD

B. All of the mentioned

C. Level-0 DFD

D. Level-2 DFD

4. Which of the following describesIs-a-Relationship ?
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A. Aggregation

B. All of the mentioned

C. Dependency

D. Inheritance
5. Objects are executed _____________________?
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A. sequentially & Parallel

B. in Parallel

C. sequentially

D. none of the mentioned

6. Data Store Symbol in DFD represents a_______________?
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A. Logical file

B. All of the mentioned

C. Physical file

D. Data Structure

7. A directed arc or line in DFD represents_________________?
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A. Data Store

B. Data Flow

C. All of the mentioned

D. Data Process

8. Function-oriented design techniques starts with functional requirements specified in_______________?
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A. SRS

B. All of the mentioned

C. SDD

D. None of the mentioned

9. Which of the following is a function of CASE Tool ?
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A. Supporting Structured analysis and design (SA/SD)

B. Checking whether DFDs are balanced or not

C. All of the mentioned

D. Maintaining the data dictionary

10. Structured Analysis is based on the principles of___________________?
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A. All of the mentioned

B. Top-down decomposition approach

C. Graphical representation of results using DFDs

D. Divide and conquer principle

11. Which of the following is not an activity of Structured Analysis (SA) ?
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A. Transformation of a textual problem description into a graphic model

B. All of the mentioned

C. Functional decomposition

D. All the functions represented in the DFD are mapped to a module structure
12. To arrive at a form which is suitable for implementation in some programming language is the purpose of_______________?
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A. None of the mentioned

B. Structured Analysis (SA)

C. Detailed Design (DD)

D. Structured Design (SD)
13. Object that collects data on request rather than autonomously is known as_________________?
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A. Active Object

B. None of the mentioned

C. Passive Object

D. Multiple instance

14. How many layers are present in the OO design pyramid ?
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A. five

B. one

C. four

D. three

15. Which of the following early OOD methods incorporates both a micro development process and a macro development process. ?
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A. Wirfs-Brock method

B. Coad and Yourdon method

C. Booch method

D. Rumbaugh method

16. Which of the following is a disadvantage of OOD ?
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A. Objects may be

B. erstood as stand-alone entities

C. Easier maintenance

D. None of the mentioned

E. Objects are potentially reusable components

17. Which of the following is not an operation as per OOD algorithms and data structures ?
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A. operations that monitor an object for the occurrence of a controlling event

B. operations that perform a computation

C. operations that manipulate data in some way

D. operations that check for syntax errors
18. In DFDs, user interactions with the system is denoted by ____________________?
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A. Triangle

B. Arrow

C. Circle

D. Rectangle

19. Grady Booch, James Rumbaugh, and Ivar Jacobson combined the best features of their individual object-oriented analysis into a new method for object oriented design known as _____________________?
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A. XML

B. UML

C. SGML

D. HTML

20. Which of the following points related to Object-oriented development (OOD. is true ?
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A. All of the mentioned

B. OOD is concerned with developing an object-oriented system model to implement requirements

C. None of the mentioned

D. OOA is concerned with developing an object model of the application domain