i) Waterfall;

ii) Throw-away prototyping;

iii) Evolutionary prototyping.
What are the disadvantages of the waterfall approach?

b) Discuss the appropriateness of the waterfall and prototyping approaches for developing:
i) An order processing system for one of the local businesses with a website for customers to place orders. Requirements are vague but stable;

ii) A complex embedded system for a local chemical plant; iii) A website providing information about local tourist attractions.

c) Discuss the following statement:
“These days, all systems should be developed using an agile approach”.
In your discussion, present arguments for and against this statement.