chAptEr 3

Question 1

What is a requirement?

Answer 1

A statement of what the system must do.

Question 2

List the types of requirements.

Answer 2

Business requirements
Use requirements
Functional requirements
Nonfunctional requirements
System requirements

Question 3

What are business needs?

Answer 3

What the business needs

Question 4

What are user requirements?

Answer 4

What the user needs to do.

Question 5

What are user requirements?

Answer 5

What the software should do

Question 6

What are nonfunctional requirements?

Answer 6

Characteristics the system should have.

Question 7

What are system requirements?

Answer 7

How the system should be built

Question 8

List some examples of business requirement.

Answer 8

Produce performance reports
Provide accurate project status report

Question 9

List some examples of user requirements.

Answer 9

Scheduling client appointments
Placing new customer orders

Question 10

List some examples of functional requirements.

Answer 10

Process-oriented.
Information-oriented.

Question 11

List the behavioral properties of nonfunctional requirements. COPS

Answer 11

Operational
Performance
Security
Cultural & Political

Question 12

What is the operational behavioral property?

Answer 12

Physical and technical operating environment.

Question 13

What is the performance behavioral property?

Answer 13

Speed, capacity, and reliability of the system.

Question 14

What is the security behavioral property?

Answer 14

Access restrictions, needed safeguards

Question 15

What are the cultural and political behavioral properties?

Answer 15

Cultural and political issues that will affect the final system.

Question 16

What is the purpose of the requirements definition statement?

Answer 16

To define the project scope.

Question 17

List the requirements elicitation techniques.

Answer 17

Interviews
Questionnaires
Observation
Joint application development (JAD)
Document analysis

Question 18

How is the interview technique conducted?

Answer 18

The systems analysts collects information from
individuals face to face

Question 19

List the types of interview structures.

Answer 19

Top-down approach - broad to specific.
Bottom-up approach - specific to broad.

Question 20

List the types of interview question types.

Answer 20

Open-ended
Closed-ended
Probing

Question 21

List the strengths of the interview technique.

Answer 21

Questions can be personalized for each individual.
Interviewee can be asked for more feedback.
Interviewee’s nonverbal communication can be observed.

Question 22

List the weaknesses of interview technique.

Answer 22

Time costly.
Impractical due to location of interviewees.

Question 23

Study the JAD and eJAD.

Answer 23

Ayt, bet.

Question 24

What are questionnaires?

Answer 24

Special documents that allow analysts to collect information and opinions and respondents.

Question 25

List the type of questions asked in questionnaires.

Answer 25

Fixed-format questions. Free-format questions.

Question 26

List the properties of fixed-format questions.

Answer 26

Multiple-choice questions Easy to tabulate

Question 27

List the properties of free-format questions.

Answer 27

Open-ended essay questions Hard to tabulate

Question 28

List the strengths of questionnaires.

Answer 28

Can be answered quickly. Inexpensive. Can be tabulated and analyzed.

Question 29

List the weaknesses of questionnaires.

Answer 29

Low responses. Inflexible. Body language cannot be observed.

Question 30

List the steps to develop a good questionnaire.

Answer 30

Define Goals Question Types Write Clearly Test It Out Random Sampling

Question 31

What is the observation technique.

Answer 31

To watch a person perform activities to learn about the system.

Question 32

List the strengths of the observation technique.

Answer 32

Reliable data. Inexpensive. Can do work measurements.

Question 33

List the weaknesses of the observation technique.

Answer 33

Work varies in difficulty and volume. Tasks subject to interruptions

Question 34

List the steps on how to perform observation well.

Answer 34

Plan Get Permission Observe Workload Gather Materials Sample Wisely Review Notes

Question 35

Explain the document analysis technique?

Answer 35

Collect facts from existing documentation. Analyze facts to determine currency. Analyze to understand the documentation. Use appropriate sampling technique.

Question 36

List the factors used to compare techniques.

Answer 36

Depth Breadth Integration User Involvement Cost

Question 37

List the methods used to identify small improvements.

Answer 37

Problem Analysis. Root cause Analysis.

Question 38

Study the problem & root cause analysis

Answer 38

ayt, bet.

Question 39

What is the goal of identifying moderate improvements?

Answer 39

To improve efficiency and effectiveness.

Question 40

List the types of activities in identifying moderate improvements. DAI

Answer 40

Duration Analysis Activity-based costing Informal Benchmarking

Question 41

What is the goal of identifying MAJOR improvements?

Answer 41

Radical redesign of business processes

Question 42

List the types of activities in identifying MAJOR improvements. OTA

Answer 42

Outcome analysis Technology analysis Activity Elimination

Question 43

What is the outcome analysis?

Answer 43

Analyze how information systems and technology can help customers achieve their desired goals.

Question 44

What is the technology analysis?

Answer 44

Identify promising technologies through analyst and manager input, then discuss their potential business applications.

Question 45

What is activity elimination?

Answer 45

Brainstorm by considering the impact of eliminating each activity to challenge assumptions and identify potential improvements.