19. (+5) The interaction between modules in a software system refers to a. Coupling b. Cohesion 20" (+5) Passing data from one module to another refers to a. Coupling b. Cohesion 21" (+5) Ensuring that a module performs a unique task in its entirety refers to +' a. Coupling b. Cohesion 22. (+5) Testingtosee if the system performs in a timely manner is a form of Black box testing Glass box testing a. b. 23. (+5) Beta testing is a form of a. Black box testing b. Glass box testing 24" (+5) Designing test data to ensure that each instruction is executed at least once refers to +' Black box testing Glass box testing a. b. 25. (+5) Building software from previously constructed components is primarily a Bottom-upactivity Top-down activity a. b, , 26. (+5) Dividing a module into smaller modules to obtain greatercohesion is a - a. Bottom-up activity+ b. Top-down activity 27. (+5) Designing a dataflow diagram by successively adding more specificity is a a. Bottom-up activity b. Top-down activity