Ecommerce - 1.5 System development

Question 1

Waterfall

Answer 1

• working toward a once-in-a-long time release schedule.
• Waterfall was more benfitical in the days of software distribution on CD-ROM. You needed to completely finalize the software before shipping it as delivering bugs to customers was a very bad thing. Also, it needed to have plenty of upgrade for the user to feel it was worthwhile to purchase and upgrade.

Question 2

Agile

Answer 2

• Agile is a complete software development cycle. Usually focuses on smaller increments.
• Agile is iterative.
• Agile fits better with other delivery means (automatic)
• because once can deploy often, it gives much faster feedback, and the product doesn’t have to be polished. Instead of one release a year, you can release weekly or even daily.

Question 3

SCRUM

Answer 3

• Scrum is based around a sprint (a set period of time for work to get done). Commitments are made to ensure that the work is completed.
• https://stackoverflow.com/questions/11469358/what-is-thedifference-between-scrum-and-agile-development

Question 4

Basic Terms of system development lifecycles

Answer 4

• https://stackify.com/what-is-sdlc/
• Identify Current Problems: understanding problems. Customers often do this on their own, although it is good to get a second opinion.
• Plan: developing a roadmap for getting the problem solved.
• Design: architecting the solution: what pieces need to be built.
• Build: writing the code to solve this problem.
• Test: assigning to QA to ensures that everything works as expected.
• Deploy: deploying the update.
• Maintain: starting the cycle over again.

Question 5

what are SMART requirements?

Answer 5

The idea behind project management.
• (S)pecific: the task must be defined.
• (M)anageable: the task must not be of gargantuan proportions.
• (A)ssignable: the task must be able to be given to someone(s).
• (R)elevant: the task must be able to be completed given
current bandwidth.
• (T)ime-related: the task must be able to be completed within a certain time.