software development

Question 1

waterfall

Answer 1

• works in linear stages
• each stage is large and thorough
• established user requirements in the early stages

Question 2

waterfall stages

Answer 2

1) requirements
2) analysis
3) design
4) implementation
5) testing
6) deployment
7) maintenance

Question 3

benefits of waterfall

Answer 3

• easy to understand and follow
• easy to manage as the team is only focused on one stage at a time
• fewer production issues during deployment due to the amount of time invested in establishing requirements, analysis, and design
• produces lots of documentation

Question 4

drawbacks of waterfall

Answer 4

• inflexible; doesn’t cope with changing user requirements
• can cause delays and higher production costs if changes need to be made
• doesn’t work well for complex or long-term projects as it would take too long to get through each stage
• difficult to capture all user requirements in one go

Question 5

extreme programming

Answer 5

• the focus is on good-quality code
• is an agile paradigm
• designed to allow development to respond to changing user requirements
• involves paired programming
• program is regularly reviewed/iterative process