Chapter 4

Question 1

The four activities in systems analysis

Answer 1

requirements modeling, data process modeling, object modeling, and consideration of development strategies

Question 2

requirement modeling

Answer 2

involves fact-finding to describe the current system and identification of the requirements for the new system, such as outputs inputs, processes, performance, and security

Question 3

Output

Answer 3

electronic or printed information produced by the system

Question 4

Inputs

Answer 4

necessary data that enters the system, either manually or in an automated manner

Question 5

Processes

Answer 5

the logical rules that are applied to the data to transform it into meaningful information

Question 6

Performance

Answer 6

system characteristics such as speed, volume, capacity, available, and reliability

Question 7

Security

Answer 7

hardware, software, and procedural controls that safeguard and protect the system and its data from internal or external threats

Question 8

Systems requirement document

Answer 8

an overall design for the new system

Question 9

JAD

Answer 9

Joint Application Development: a user oriented technique for fact-finding and requirements modeling. Typically only focuses on the fact finding and requirements determination

Question 10

RAD

Answer 10

Rapid Application Development: A condensed version of the entire SDLC, with users involved in every step of the way. provides a fast track to a full spectrum of system development tasks.

Question 11

Four RAD phases

Answer 11

requirements planning, user design, construction tasks, and cutover tasks

Question 12

requirements planning phase

Answer 12

combines the elements of the systems planning and systems analysis phases of the SDLC

Question 13

User Design Phase

Answer 13

users interact with the systems analysts and develop models and prototypes that represent all systems processes, outputs, and inputs

Question 14

Construction phase

Answer 14

focuses on program and application development tasks similar to the SDLC

Question 15

Cutover phase

Answer 15

resembles the final tasks in the SDLC implementation phase, including data conversion, testing, changeover to new system, and user training.

Question 16

scrum

Answer 16

a type of agile approach

Question 17

pig

Answer 17

product owner, the facilitator, and the development team

Question 18

chicken

Answer 18

users, stakeholders, and managers

Question 19

FDD

Answer 19

Functional Decomposition Diagram: top-down representation of a function or process

Question 20

BPM

Answer 20

Business Process Model: describes one or more business processes such as handling a reservation or filling a product order

Question 21

BPMN

Answer 21

Business Process Modeling Notation: various shapes and symbols to represent events, processes, and workflows

Question 22

Pool

Answer 22

overall diagram in BPMN

Question 23

Swim Lines

Answer 23

designated customer areas in BPMN

Question 24

DFD

Answer 24

Data Flow Diagram: a diagram that shows how the system stores, processes and transforms data

Question 25

UML

Answer 25

Unified Modeling Language: method of visualizing and documenting software systems designs

Question 26

Use Case Diagram

Answer 26

visually represents the interaction between users and the information system

Question 27

actor

Answer 27

specific role the describes how he or she interacts with the system

Question 28

sequence diagram

Answer 28

shows the timing of interactions between objects as they occur

Question 29

system requirement

Answer 29

a characteristic or feature that must be included in an information system to satisfy business requirements and be acceptable to users

Question 30

5 general categories of system requirements

Answer 30

outputs, inputs, processes, performance and control

Question 31

Scalibility

Answer 31

a systems ability to handle increased business volume and transactions in the future

Question 32

TCO

Answer 32

Total Cost of Ownership

Question 33

REJ

Answer 33

Rapid Economic Justification: method for measuring total costs and benefits (by microsoft)

Question 34

Zachman Framework for Enterprise Architecture

Answer 34

a model that asks the traditional fact-finding questions in a systems development context.

Question 35

Interview

Answer 35

a planned meeting during which you obtain information from another person

Question 36

Informal Structure

Answer 36

some people have more influence or knowledge than appears on an organization chart

Question 37

leading questions

Answer 37

questions that suggest or favor a particular reply

Question 38

Open-ended questions:

Answer 38

encourage spontaneous and unstructured responses

Question 39

Closed-ended questions:

Answer 39

limit or restrict the repsonse

Question 40

Range of Response questions

Answer 40

closed-ended questions that ask the person to evaluate something by providing limited answers to specific responses on a number scale

Question 41

Engaged listening

Answer 41

concentrating on what is said and notice any nonverbal communication that takes place

Question 42

Document review

Answer 42

helps you understand how the current system is suppose to work

Question 43

Observation

Answer 43

watching current operating procedures

Question 44

Hawthorne Effect

Answer 44

productivity improves whenever workers know they are being observed

Question 45

Questionnaire

Answer 45

a survey, a document containing a number of standard questions that can be sent to many individuals

Question 46

Fill in Form

Answer 46

An electronic form where data can be collected on the internet or the company intranet

Question 47

Sampling

Answer 47

collect examples of actual documents

Question 48

Systematic sample

Answer 48

very rigid like every 10th customer gets sampled

Question 49

Stratified sample

Answer 49

a percentage from each postal code, so the sample is more spread out

Question 50

Research

Answer 50

using other ways to obtain information, such as the internet, sitting in on meetings, seminars, discussions, books, IT magazines etc

Question 51

site visit

Answer 51

to observe a system in use at another location

Question 52

brainstorming

Answer 52

a small group discussion of a specific problem, opportunity or issue

Question 53

structured brainstorming

Answer 53

participants speak when it is their turn

Question 54

Unstructured brainstorming

Answer 54

participants can speak at anytime

Question 55

Productivity software

Answer 55

word processing, spreadsheets, database management, presentation graphics, and collaboration software

Question 56

Histogram

Answer 56

a vertical bar chart showing the distribution of questionnaire or sampling results

Question 57

PIM

Answer 57

Personal Information Manager: like Outlooks handling email, calander, etc