chapter 3

Question 1

what is structured approach used for

Answer 1

• large projects, big budget, large team, large audience, long time period
• prioritizes performance + reliability

Question 2

stages in structured approach

Answer 2

• defining + understanding the problem
• planning and designing
• implementing
• testing + evaluating
• maintaining

Question 3

development team of structured approach

Answer 3

analysts, designers, programmers, clients(users + management)

Question 4

agile meaning

Answer 4

quick-thinking, coordinated, active and lean. adapts well to changing situations

Question 5

agile approach team dynamic + used for

Answer 5

• emphasis placed on team developing system
• encouraging cooperation + team work
• suited well to web-based software dev + regularly updated applications

Question 6

agile approach characteristics

Answer 6

• speed of getting working solution to market: basic functionality released as soon as possible
• interaction w/ team + users allows solution to be selective refinement throughout dev process
• working versions regularly delivered
• responds well to changing specifications
• close collab between dev team + clients

Question 7

prototyping meaning

Answer 7

prototype: an enactable model or mock-up of a software system that enables evaluation of features and functions in an operational scenario

Question 8

what is prototyping approach used for

Answer 8

• medium-sized projects, extensive user interaction, unique problem, small budget

Question 9

characteristics of prototyping approach

Answer 9

• approach models a proposed solution or part of a solution
• gathers specifications from user through prototypes which uncovers issues, constantly evolves

Question 10

what is rapid application development(RAD) approach used for

Answer 10

• short time, small project + budget, use of existing routines, informal approach

Question 11

characteristics of RAD

Answer 11

1. lack of formal stages: needs of client + product determine dev approach, software: produced from combining other products
2. use of existing routines: existing code routines to reduce development effort

Question 12

appropriate apps for RAD

Answer 12

• IDEs for screen elements + GUI, w/ use of wizards to automate screen coding
• built using the scripting language built into larger software packages; e.g. Visual Basic

Question 13

what is end user approach used for

Answer 13

• short time period, user-developer, exclusive use for the user-developer

Question 14

characteristics of end user approach

Answer 14

• actual approach: RAD or prototyping
• use of standard software packages: customizable packages + online resources
• end user = developer + maintainer
• informal approach