Software Testing UGC

Question 1

​Software coupling involves dependencies among pieces of software called modules. Which of the following are correct statements with respect to module coupling ?

• P: Common Coupling occurs when two modules share the same global data.
• Q: Control Coupling occur when modules share a composite data structure and use only part of it.
• R: Content coupling occurs when one module modifies or relies on the internal working of another module.

• P and Q only

• P and R only

• Q and R only

• All of P, Q and R