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CNIT 180 > Chapter 4 > Flashcards

Chapter 4 Flashcards

1
Q

The four activities in systems analysis

A

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

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2
Q

requirement modeling

A

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

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3
Q

Output

A

electronic or printed information produced by the system

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4
Q

Inputs

A

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

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5
Q

Processes

A

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

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6
Q

Performance

A

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

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7
Q

Security

A

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

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8
Q

Systems requirement document

A

an overall design for the new system

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9
Q

JAD

A

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

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10
Q

RAD

A

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.

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11
Q

Four RAD phases

A

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

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12
Q

requirements planning phase

A

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

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13
Q

User Design Phase

A

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

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14
Q

Construction phase

A

focuses on program and application development tasks similar to the SDLC

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15
Q

Cutover phase

A

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

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16
Q

scrum

A

a type of agile approach

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17
Q

pig

A

product owner, the facilitator, and the development team

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18
Q

chicken

A

users, stakeholders, and managers

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19
Q

FDD

A

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

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20
Q

BPM

A

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

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21
Q

BPMN

A

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

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22
Q

Pool

A

overall diagram in BPMN

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23
Q

Swim Lines

A

designated customer areas in BPMN

24
Q

DFD

A

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

25
Q

UML

A

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

26
Q

Use Case Diagram

A

visually represents the interaction between users and the information system

27
Q

actor

A

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

28
Q

sequence diagram

A

shows the timing of interactions between objects as they occur

29
Q

system requirement

A

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

30
Q

5 general categories of system requirements

A

outputs, inputs, processes, performance and control

31
Q

Scalibility

A

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

32
Q

TCO

A

Total Cost of Ownership

33
Q

REJ

A

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

34
Q

Zachman Framework for Enterprise Architecture

A

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

35
Q

Interview

A

a planned meeting during which you obtain information from another person

36
Q

Informal Structure

A

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

37
Q

leading questions

A

questions that suggest or favor a particular reply

38
Q

Open-ended questions:

A

encourage spontaneous and unstructured responses

39
Q

Closed-ended questions:

A

limit or restrict the repsonse

40
Q

Range of Response questions

A

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

41
Q

Engaged listening

A

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

42
Q

Document review

A

helps you understand how the current system is suppose to work

43
Q

Observation

A

watching current operating procedures

44
Q

Hawthorne Effect

A

productivity improves whenever workers know they are being observed

45
Q

Questionnaire

A

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

46
Q

Fill in Form

A

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

47
Q

Sampling

A

collect examples of actual documents

48
Q

Systematic sample

A

very rigid like every 10th customer gets sampled

49
Q

Stratified sample

A

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

50
Q

Research

A

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

51
Q

site visit

A

to observe a system in use at another location

52
Q

brainstorming

A

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

53
Q

structured brainstorming

A

participants speak when it is their turn

54
Q

Unstructured brainstorming

A

participants can speak at anytime

55
Q

Productivity software

A

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

56
Q

Histogram

A

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

57
Q

PIM

A

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

CNIT 180 (7 decks)

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