04Chapter

Question 1

What does the SLDC transforms the system to?

Answer 1

(as is) system into proposed (to be)

Question 2

What is the most single critical step of the entire SDLC?

Answer 2

requirements determination

Question 3

How would you define a requirement?

Answer 3

what system must do or what characteristic must have

Question 4

during analysis, from whose perspective are requirements written?

Answer 4

businessperson

Question 5

What are the two kinds of requirements?

Answer 5

Functional-Nonfunctional

Question 6

What is a functional requirement?

Answer 6

functionality must be build in the system

Question 7

What is a nonfunctional requirement?

Answer 7

used by system but not part of system. Ex: system should fit in a pocket

Question 8

Name some requirements definition report?

Answer 8

A requirement must be correct-unambiguous-Complete-Verifiable-Traceable

Question 9

How are requirements best determined?

Answer 9

By systems analysts and business people together

Question 10

Name some techniques available to the system analyst?

Answer 10

Interviews-Questionaires-Observation-JAD,Joint Application Development (focus group)-Document Analysis

Question 11

What three basic processes of analysis is divided into?

Answer 11

Understand as-is system-identified improvements-develop requirements for to-be system

Question 12

What are the three requirements analysis strategies?

Answer 12

Business automation-Business improvement-Business reengineering

Question 13

What is business process automation?

Answer 13

leaves organization operation unchanged-understand as-is system by -Problem analysis -Root cause analysis

Question 14

What does problem analysis does in the business process automation?

Answer 14

users and managers identify problems in as-is system

Question 15

What does root cause analysis does in the business process automation?

Answer 15

users not asked for solutions but-list of problems

Question 16

What is business process improvement?

Answer 16

makes moderate changes to system-take advantage of new technology-copy what competitors are doing

Question 17

What is business process reengineering?

Answer 17

spends little time understanding as-is system-focuses on new ways and new ideas

Question 18

What are some requirments-gathering techniques in order to be converted to IT tasks?

Answer 18

Interview

• Join Application development (JAD)
• questionnaries
• observation
• Role Playing CRC
• Mind Concept mapping

Question 19

What is the most useful method for collecting information from users?

Answer 19

JAD

Question 20

What are some activites for facilitator during a JAD Session?

Answer 20

keep session on track

• help with tech terms
• record group input
• help resolve issues

Question 21

How could you manage some problems during a JAD session?

Answer 21

Encouraging non-contributors

• side discussions
• use humor
• unresolved conflict

Question 22

Name some steps to create questionaries?

Answer 22

select participants

• question selection
• Administer questionnaire
• follow up, send results

Question 23

Name some steps for a good questionnaire design

Answer 23

Begin with non-threating questions

• No important items at the end
• avoid biased
• provide anonymity

Question 24

What provides a clue about existing ‘as-is’ system?

Answer 24

Document Analysis

Question 25

What are some typical documents during document analysis?

Answer 25

form, reports and policy manuals

Question 26

What should you take into consideration during observation?

Answer 26

behaviors changed when people are watched

-do not ignore periodic activities

Question 27

What is the result of planning and analysis phases?

Answer 27

System Proposal

Question 28

What does the system proposal include?

Answer 28

Executive Summary

• System Request
• Work Plan
• Feasiblity Analysis
• Requirements definition
• evolving system models