1 implementation stage
2 modeling stage
3 network stage.
4 SA.
5 SD.
A the development of modules and module hierarchies
B the identification of the problems that a software needs to solve
C the point when a design becomes a working piece of software
D a method for ensuring that software fulfills real- life requirements
E the expression of a design as a set of communicating processes Срочна мне нужна атвет я дам 20б​