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SOFTWARE ENGINEERING CHAPTER 7 ACCURATE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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SOFTWARE ENGINEERING CHAPTER 7 ACCURATE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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SOFTWARE ENGINEERING CHAPTER 7ACCURATE QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
What are the 5 key activities of Object Oriented Design Process? - ANSWER -Understand and define the
context and the external interactions with the system.
-Design the system architecture.
-Identify the principal objects in the system.
-Develop design models.
-Specify interfaces.
Interaction Model - ANSWER An interaction model is a dynamic model that shows how the system
interacts with its environment as it is used.
Context Model - ANSWER A system context model is a structural model that demonstrates the other
systems in the environment of the system being developed.
Define 3 approaches that may be used to identify object classes. - ANSWER -Use a grammatical analysis
of a natural language description of the system to be constructed. Objects and attributes are nouns;
operations or services are verbs.
-Use tangible entities (things) in the application domain such as aircraft, roles such as manager or doctor,
events such as requests, interactions such as meetings, locations such as offices, organizational units
such as companies, and so on.
-Use a scenario-based analysis where various scenarios of system use are identified and analyzed in turn.
As each scenario is analyzed, the team responsible for the analysis must identify the required objects,
attributes, and operations.
Why is it important to specify interface? - ANSWER You need to specify interfaces so that objects and
sub-systems can be designed in parallel. Once an interface has been specified, the developers of other
objects may assume that interface will be implemented.
Name 4 essential elements of design pattern. - ANSWER -A name that is a meaningful reference to the
pattern.
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