Without this step of the problem solving process you might solve the wrong problem, not know where to start, or not know when you are finished. Select one:

Define

Prepare

Try

Reflect

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.

Why should characters such as / \ " ' * ; - ? [ ] ( ) ~ ! $ { } < > # @ & | space, tab, and newline be avoided in file names?

Complete the sentence about a presentation delivery method