SLR 06 - Software Generation and Development

Question 1

What are the methodologies of Software Development?

Answer 1

Waterfall
RAD
Spiral
Agile
Extreme Programming

Question 2

How does RAD work?

Answer 2

You produce successive software prototypes of the software, to create a refined version is produced

Question 3

What are the benefits of using RAD?

Answer 3

Requirements don’t need to be clear
Focus groups can be used to gather requirements without full documents
You get continuous client feedback

Question 4

What are the problems of using RAD?

Answer 4

It has poor efficiency
Regular contact with the client must be maintained
It doesn’t scale well

Question 5

When should RAD be used?

Answer 5

Good for projects with unclear initial requirements, its iterative nature prevents getting sidetracked

Question 6

What are the benefits of Waterfall?

Answer 6

It is simple
Everyone in the project is clear on their responsibilities
Clear deliverables
Easy to tell if the project is on schedule

Question 7

What are the problems of using Waterfall?

Answer 7

Lots of risk
User doesn’t get the finished product until project completion
Misunderstood requirements leads to a difficult to fix project
Poor for complex projects

Question 8

When should Waterfall be used?

Answer 8

Good for large scale projects

Question 9

What are the stages of software development?

Answer 9

Feasibility
Requirements
Analysis
Implementation
Testing
Deployment
Maintenance

Question 10

What are the benefits of Spiral?

Answer 10

Good for risk management
Excellent for high risk problems

Question 11

What are the negatives of Spiral?

Answer 11

Complex nature of risk analysis increases costs
Risk analysis is a specialised skill
If risk analysis is completed poorly the project quality suffers

Question 12

When should Spiral be used?

Answer 12

Suitable for large scale problems and problems that involve high risk

Question 13

What are the benefits of Agile and Extreme Programming?

Answer 13

Emphasis on program quality
Promotes respect and collaboration leading to great productivity

Question 14

What are the problems with Agile and Extreme Programming?

Answer 14

Requires a team working closely together
Client must commit to a fulltime representative working with the devs
Can be very expensive

Question 15

When should Agile and Extreme Programming be used?

Answer 15

When the emphasis is on quality