Software Development Lifecycle Methodologies

Question 1

Waterfall Stages

Answer 1

Analysis,Design,Implementation,Evaluation,Maintenance.

Question 2

What projects is the waterfall cycle suited for?

Answer 2

Well defined projects that arent likely to change mid way through.
If a change needs to be made then programmers must revisit all levels.

Question 3

Agile

Answer 3

Adapts to the user requirements faster.
Working prototype delivered early.
iterative manner so new prototypes delivered regularly.
Less documentation and higher focus on user satisfaction.

Question 4

Extreme Programming

Answer 4

Agile, 2 programmers and a representative end user.
System requirements are specified throughout.
High focus on quality code.
Each iteration is a ‘Working Version’

Question 5

Spiral Stages

Answer 5

Analysis
Risk managment
Development/testing
Evaluation

Question 6

What happens if the project is deemed too risky in spiral?

Answer 6

The project is terminated

Question 7

What projects are suited for the Spiral methodology?

Answer 7

very large scale projects.

Question 8

Rapid application development (RAD)

Answer 8

Iterative methodology.
Partially functioning prototypes continually built-upon.
Initially gathered via focus groups.
Create imcomplete version and build from feedback.

Question 9

When would you use RAD?

Answer 9

If the users requirements are unclear at the start.