software dev methodologies (waterfall method) (week 1)

Question 1

what is software development methodologies

Answer 1

–> predefinition of specific deliverables and artifacts created and completed by the team to develop or maintain a software application

Question 2

what is the waterfall model

Answer 2

–> highly structures process which depends heavily on upfront planning and a set of sequential and prescribed steps

–> it is a linear process where the outcome of one phase acts as the input for the next phase

Question 3

what are the steps of the waterfall model

Answer 3

REQUIREMENTS 
DESIGN 
IMPLEMENTATION
VERIFICATION
MAINTENANCE

Question 4

When to use the waterfall model

Answer 4

• -> requirements are clear and fixed
• -> project is short
• -> technology is understood and not dynamic

Question 4

When to use the waterfall model

Answer 4

• -> requirements are clear and fixed
• -> project is short
• -> technology is understood and not dynamic

Question 5

benefits of the waterfall model

Answer 5

• -> easy to understand and use
• -> easy to manage as each phase has specific deliverables and a review process
• -> works well for smaller projects
• -> process and results are well documented

Question 6

drawbacks of the waterfall model

Answer 6

• -> no working software is produced until late in the dev process
• -> high amounts of risk and uncertainty
• -> cannot accommodate changing requirements
• -> integration is done at the end of the process which does not allow for identifying business or technological bottleneck challenges early.