Design and Implementation MCQs Archives

31. _______________________ defines the properties of a data object and take on one of the three different characteristics ?

A. data object

B. attributes

C. relationships

D. data object and attributes

✅ The correct answer is option B.
Explanation: They can be used to name an instance of the data object, describe the instance, or make reference to another instance in another table.

32. What can be requested from any object of the class to affect behavior ?

A. object

B. attribute

C. operation

D. instance

✅ The correct answer is option C.
Explanation: An operation is the implementation of a service that can be requested from any object of the class to affect behavior.

33. ____________________ is a pidgin(simplified version of a language that develops as a means of communication between two or more groups that do not have a language in common)?

A. program design language

B. structured English

C. pseudocode

D. all of the mentioned

✅ The correct answer is option D.
Explanation: The difference between PDL and a real programming language lies in the use of narrative text embedded directly within PDL statements.

34. What is an object________________?

A. An object is an instance of a class

B. An object includes encapsulation of data

C. An object is not an instance of a class

D. All of the mentioned

✅ The correct answer is option A.
Explanation: An object is an instance of a class.

35. Which of the following steps is applied to develop a decision table ?

A. List all actions that can be associated with a specific procedure

B. List all conditions during execution of the procedure

C. Define rules by indicating what action(s) occurs for a set of conditions

D. All of the mentioned

✅ The correct answer is option D.
Explanation: A decision table includes action stub and a condition stub with a set of rules.

36. Which of the following is a structural model that demonstrates the other systems in the environment of the system being developed ?

A. system context model

B. interaction model

C. environmental model

D. both system context and interaction

✅ The correct answer is option A.
Explanation: The context model of a system may be represented using associations. Associations simply show that there are some relationships between the entities involved in the association.

37. Select the statement true for activity diagrams ?

A. They can be used to discover parallel activities

B. They are used to depict workflow for a particular business activity

C. Activity diagram do not tell who does what and are difficult to trace back to object models

D. All of the mentioned

✅ The correct answer is option D.
Explanation: Activity diagrams are graphical representations of workflows of step wise activities and actions with support for choice, iteration and concurrency.

38. Which of the following UML diagrams has a static view ?

A. Collaboration

B. Use case

C. State chart

D. Activity

✅ The correct answer is option B.
Explanation: A use case diagrams captures only the functionality of the system whereas a dynamic model/view captures the functions as well as the action.

39. At Conceptual level Class diagrams should include_____________________?

A. operations only

B. attributes only

C. both operations and attributes

D. none of the mentioned

✅ The correct answer is option B.
Explanation: In software engineering, a class diagram in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing the system’s classes, their attributes, operations, and the relationships among objects.

40. What is a physical element that exists at runtime in UML ?

A. A node

B. An interface

C. An activity

D. None of the mentioned

✅ The correct answer is option A.
Explanation: A node represents a computational resource.