Software-process-models
October 6, 2023Computer-Organization
October 6, 2023Software-process-models
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Question 22
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Coupling is a measure of the strength of the interconnections between software modules. Which of the following are correct statements with respect to module coupling ?
P : Common coupling occurs when one module controls the flow of another module by passing it information on what to do.
Q : In data coupling, the complete data structure is passed from one module to another through parameters.
R : Stamp coupling occurs when modules share a composite data structure and use only parts of it.
P : Common coupling occurs when one module controls the flow of another module by passing it information on what to do.
Q : In data coupling, the complete data structure is passed from one module to another through parameters.
R : Stamp coupling occurs when modules share a composite data structure and use only parts of it.
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P and Q only
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P and R only
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Q and R only
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All of P, Q and R
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Question 22 Explanation:
Common Coupling: Common coupling occurs if two modules share same global data.
Data Coupling : Data coupling occurs when two modules communicate using elementary data items that are passed as parameters between two modules.
Stamp Coupling : Stamp coupling occurs if two modules communicate using composite items such as records in Pascal or structure in C
Data Coupling : Data coupling occurs when two modules communicate using elementary data items that are passed as parameters between two modules.
Stamp Coupling : Stamp coupling occurs if two modules communicate using composite items such as records in Pascal or structure in C
Correct Answer: C
Question 22 Explanation:
Common Coupling: Common coupling occurs if two modules share same global data.
Data Coupling : Data coupling occurs when two modules communicate using elementary data items that are passed as parameters between two modules.
Stamp Coupling : Stamp coupling occurs if two modules communicate using composite items such as records in Pascal or structure in C
Data Coupling : Data coupling occurs when two modules communicate using elementary data items that are passed as parameters between two modules.
Stamp Coupling : Stamp coupling occurs if two modules communicate using composite items such as records in Pascal or structure in C
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