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.

Coupling is a measure of the strength of the interconnections between

1.	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.
A.	P and Q only
B.	P and R only
C.	Q and R only
D.	All of P, Q and R
Answer» D. All of P, Q and R