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CS1101 > STUDY 3 > Flashcards

STUDY 3 Flashcards

1
Q

Systems Development Life Cycle

A 
First phase: Planning
Second phase: Analysis
Third phase: Design
Fourth phase: Implementation
Fifth phase: Maintenance
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2
Q

Used to develop, maintain, and replace info systems

A

SDLC

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3
Q

Common method for systems development

A

SDLC

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4
Q

It is an application of the systems approach to the development of an information system

A

SDLC

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5
Q

Traditional methodology of SDLC contains phases:

A 
Planning
Analysis
Design
Implementation
Maintenance
Use
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6
Q

Identification phase

A

Planning

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7
Q

Needs are examined as a whole

A

Planning

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8
Q

Studies current procedures and Info Systems

A

Analysis

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9
Q

Sub phase-Requirement determination

A

Analysis

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10
Q

Convert alternative solutions

A

Design

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11
Q

Inputs and Outputs (Reports, databases, computer processes)

A

Design

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12
Q

System and Written specs turned over to programmers

A

Implementation

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13
Q

Implementation process

A

Coding
Testing
Installation

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14
Q

Systems are in operation

A

Manintenance

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15
Q

Specific problems or changes are made

A

Maintenance

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16
Q

It is a TPS used by distribution firms

A

Distribution system

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17
Q

They distribute products or services to their customers

A

Distribution firms

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18
Q

They are developed to meet the needs for information relating to those particular parts of the organization

A

Organizational Information system

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19
Q

MKIS

A

Marketing Information System

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20
Q

It provides information that relates to the firm’s marketing activities

A

MKIS

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21
Q

Consists of a combination of input and output subsystems connected by a database

A

MKIS

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22
Q

Marketing Information System

A 
Product subsystem
Place subsystem
Promotion subsystem
Price subsystem
Integrated-mix subsystem
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23
Q

Provide information about critical elements in marketing mix

A

Output subsystems

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24
Q

It consists of four main ingredients that management manages in order to meet customers’ needs at a profit

A

Marketing Mix

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25
Q

Provides information about the firm’s products

A

Product subsystem

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26
Q

Provides information about the firm’s distribution network

A

Place subsystem

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27
Q

Provides information about the firm’s advertising and personal selling activities

A

Promotion subsystem

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28
Q

It helps the manager make pricing decisions

A

Price subsystem

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29
Q

Enables the manager to develop strategies that consider the combined effects of the ingredients

A

Integrated-mix subsystem

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30
Q

It is populated with data from the three MKIS input subsystem

A

Database

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31
Q

Input subsystems

A

Transaction processing system
Marketing research subsystem
Marketing intelligence subsystem

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32
Q

It gathers data from both internal and environmental sources and enters the data into the database

A

Transaction processing system

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33
Q

It gathers internal and environmental data by conducting special studies

A

Marketing research subsystem

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34
Q

It gathers environmental data that serves to keep management informed of activities of the firm’s competitors and customers and other elements that can influence marketing operations

A

Marketing intelligence subsystem

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35
Q

Other Organizational Information System

A

HRIS
Manufacturing Information System
Financial Information System

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36
Q

It provides information to managers throughout the firm concerning the firm’s human resources

A

HRIS

37
Q

HRIS

A

Human Resources Information System

38
Q

It provides information to managers throughout the firm concerning the firm’s manufacturing operations

A

Manufacturing Information System

39
Q

It provides information to managers throughout the firm concern the firm’s financial activities

A

Financial information system

40
Q

It is a system that provides information to upper-level managers on the overall performance of the firm; also called ESS

A

EIS

41
Q

EIS

A

Executive Information System

42
Q

ESS

A

Executive support system

43
Q

It allows for executives to bring up a summary display and then successively display lower levels of detail until executives are satisfied that they have obtained as much detail as is necessary

A

Drill-down capbility

44
Q

It is the management of the relationships between the firm and its customers so that both the firm and its customers receive maximum value from the relationship

A

CRM

45
Q

CRM

A

Customer relationship management

46
Q

It accumulates customer data over a long term (, or more) and user that data to produce information for users

A

CRM

5-10 years

47
Q

Uses a data warehouse

A

CRM

48
Q

Describes data strorage

A

Data warehouse

49
Q

Data Warehouse characteristics

A

Storage capacity is very large
Data are accumulated
Data are easily retrievable
Data are used solely for decision making,

50
Q

It is a database that contains data describing only a segment of the firm’s operations

A

Data mart

51
Q

It is the creation and use of a data warehouse or data mart

A

Data warehousing

52
Q

They are TPS and data obtained from other sources, both internal and environmental; any data identified as having potential value in decision making

A

Primary data sources

53
Q

It is where the data undergoes ETL

A

Staging area

54
Q

ETL

A

extraction, transformation and loading

55
Q

SDLC

A

Systems Development Life Cycle

56
Q

It enables the user to communicate with the data warehouse either through a GUI or a Web interface and quickly produce information in a variety of forms, including graphics

A

OLAP

57
Q

OLAP

A

On-line analytical processing

58
Q

Uses a standard relational database management system

A

ROLAP

59
Q

ROLAP

A

Relational OLAP

60
Q

They data exists in detailed form

A

ROLAP

61
Q

Analyses must be performed to produce summaries

A

ROLAP

62
Q

Constrained to a limited number of dimensions

A

ROLAP

63
Q

Uses a special multidimensional databases management system

A

MOLAP

64
Q

They are preprocessed to produced summaries at the various levels of detail and arranged by the various dimensions

A

MOLAP

65
Q

Faster summary ability, can use many dimensions-10 or more

A

MOLAP

66
Q

It is the process of finding relationships in data that are unknown to the user

A

Data miningg

67
Q

Begins with the user’s hypothesis of how data are related

A

Hypothesis

68
Q

They are guided entirely by user

A

Retrieval process

69
Q

It can be no better than user’s understanding of the data

A

Selected information

70
Q

Traditional way to query a database

A

Hypothesis verification

71
Q

It is when data warehousing system analyzes the warehouse data repository, looking for groups with common characteristics

A

Knowledge discovery

72
Q

​This diagram shows that it involves all five components of an information system. In addition to technical knowledge, it requires business knowledge and management skill.











A 
Hardware
Software
Data
Procedures
People
73
Q

“It is the process of defining, designing, testing, and implementing a new software application or program”

A

Systems Development

74
Q

These are four system development processes that help make projects more likely to succeed.

A

❝ Systems development life cycle(SDLC)
❝ Rapid application development(RAD)
❝ Object-oriented systems development(OOD)
❝ Extreme programming (XP)

75
Q

SDLC

A 
System Definition
Requirement Analysis
Component Design
Implementation
System Maintenance
76
Q

Steps in System Definition

A

Define the system’s goals and scope.

Assess the feasibility of the project using four criteria: cost, schedule, technical, and organizational.

Form a project team that includes systems analysts and users.

Prepare a project plan.

77
Q

The most important phase in the SDLC process is to determine _.

A

system requirements

78
Q

—Determine the specifications and evaluate alternatives against the
requirements.

A

Hardware

79
Q

Decide whether to use off-the-shelf software, off-the-shelf with alterations, or custom-developed software.

A

Programs

80
Q

—Convert the data model to a database design.

A

Database

81
Q

—Design procedures for users, operations personnel, and for normal, backup, and failure recovery tasks.

A

Procedures

82
Q

—Design job descriptions for users and operations personnel. You may have to add new jobs or alter existing jobs

A

People

83
Q

Focuses on implementing the system and includes the tasks of:

A

Building each of the five system components

Testing the system and

Converting users to the new system.

84
Q

It begins by creating a test plan that spells out what actions users will take when using the new system. It includes testing normal actions and incorrect actions. Every line of program code should be executed to test error messages.

A

System testing

85
Q

_personnel can construct a test plan with user advice and assistance. They can perform some of the testing and supervise users as they test the system.

A

Product quality assurance (PQA)

86
Q

_ must be part of the test team and help develop test plans and test cases. Users must have the final say.

A

Users

87
Q

_allows future system users to try the new system on their own in the last stage of testing.

A

Beta testing

88
Q

4 methods to convert to a new system

  1. Pilot —Implement the entire system on a limited portion of the business.
    • Failures are contained within a limited boundary.
    • It reduces the exposure of the business.
    • It protects the new system from developing a negative reputation.
  2. Phased —Install it in phases across the organization.
  • Only a portion of the system is installed at a time.
  • Once it works, another portion is installed.
  • Tightly integrated systems cannot use this method.
  1. Parallel —The new system runs in parallel with the old system until the new one is tested and fully operational.
  • It’s very expensive to use this method because you must operate two systems at the same time.
  • Users’ work doubles because they must use both systems for all their tasks.
  • Considerable work is required to determine if the results of both systems match each other.
  1. Plunge (direct) —The old system is shut off one day and the new system is turned on the next day.

• If the new system fails, the organization is in trouble.
• This is an extremely risky conversion method because you’re putting
a lot of faith in the new system working correctly the first time.
• Organizations should avoid using this meth

A

Pilot
Phased
Parallel
Plunge

CS1101 (9 decks)

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