Exercises

What is the difference between a software process and a software lifecycle process?
What is a prototype?
What is rework?

Problem

Process models can be prescriptive or descriptive. If some organization sets out to use a particular software process in a project, is the process model descriptive or prescriptive?
Which of the waterfall, prototype evolution, spiral, and agile processes are iterative? Which are incremental?

Type	Models
Iterative
Incremental

3. Which of the waterfall, prototype evolution, spiral, and agile processes are lightweight and which are heavyweight

Type	Models
Lightweight
Heavyweight

4. The waterfall model is present in some sense in all subsequent software process models. Describe the role that the waterfall model plays in the prototype evolution, spiral, and agile models.

Models	The role of waterfall model
The prototype evolution
Spiral
Agile

5. List the advantages and disadvantages of each model in the table below.

Models	Advantages	Disadvantages
Waterfall
The prototype evolution

Models	Advantages	Disadvantages
Spiral
Agile

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