chapter 2

Question 1

system development: process

Answer 1

a series of steps involving activities, constraints, and resources to produce an intended result

Question 2

software development life cycle (sdlc)

Answer 2

the process by which a software is built.

1. requirements
2. system design
3. program design
4. writing the programs
5. testing
6. system delivery
7. maintenance

Question 3

waterfall model

Answer 3

clear requirements are required.
no changes allowed.
no revision of previous steps.

Question 4

v model

Answer 4

verify and validate.
variation of the waterfall model.
allows to verify the current step before proceeding.

Question 5

prototyping model

Answer 5

changing requirements.

terrible model if the client keeps changing their mind.

Question 6

phased development model

Answer 6

software is developed in pieces.
production (n); contains some pieces.
development (n+1); pieces still in the works.
regression testing is important here.

Question 7

spiral model

Answer 7

thorough risk management.

Question 8

agile model

Answer 8

flexible and quick software production.

Question 9

extreme programming

Answer 9

communication: continual customers and devs interaction
simplicity: select simplest design
courage: deliver functionality early and often
feedback: loops in various activities in dev process

Question 10

scrum

Answer 10

30-day iterations max.
complete small milestones per scrum.
daily meeting about 15min.
burndown chart calculates the remaining time.

Question 11

process modeling

Answer 11

static model: depicts the process

dynamic model: enacts the process