C Programming (Coupling)

What are the 4 coupling?

What are the two rules of coupling?

Which are the best coupling?

• Data Coupling

• Control Coupling

• External Coupling & Common Coupling

• Pathological Coupling

Which are the worst coupling?

• Data Coupling

• Control Coupling

• External Coupling & Common Coupling

• Pathological Coupling

Which are the loosest coupling?

• Data Coupling

• Control Coupling

• External Coupling & Common Coupling

• Pathological Coupling

Which are the tightest coupling?

• Data Coupling

• Control Coupling

• External Coupling & Common Coupling

• Pathological Coupling

What are the function of data coupling?

• Modules share data by passing parameters

• Main program controls module actions

• Modules share global variables or structures

• Modules change each others’ data

What are the function of control coupling?

• Modules share data by passing parameters

• Main program controls module actions

• Modules share global variables or structures

• Modules change each others’ data

What are the function of external & common coupling?

• Modules share data by passing parameters

• Main program controls module actions

• Modules share global variables or structures

• Modules change each others’ data

What are the function of pathological coupling?

• Modules share data by passing parameters

• Main program controls module actions

• Modules share global variables or structures

• Modules change each others’ data