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BEC - Information Technology > System Design and Other Elements > Flashcards

System Design and Other Elements Flashcards

1
Q

Transaction Processing Systems

A

Systems that process and record the routing daily transactions necessary to conduct business.

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2
Q

Management Information Systems (MIS)

A

Provides users predefined reports that support effective business decisions.

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3
Q

Decision Support Systems (DSS)

A

Extension of an MIS that provides interactive tools to support decision making.

Sometimes called an expert system

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4
Q

Executive Information System (EIS)

A

provides senior executives with immediate and easy access to internal and external information to assist in strategic decision making

consolidated information internal and external to the enterprise and reports it in a format and level of detail appropriate to senior executives

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5
Q

SDLC

A

provides a framework for planning and controlling the detailed activities associated with systems development.

Waterfall is most popular

Steps: A DITTO
Systems Analysis
Design
Implementation and Conversion
Training
Testing
Operations and Maintenance
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6
Q

Waterfall method

A

simplifies task scheduling

consists of sequential steps of analysis, planning, design , and implementation which flow in a single “downward” direction like a waterfall

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7
Q

System Analysis

A
  1. Define nature and scope - identify strengths and weaknesses
  2. Conduct indepth study to determine technological and economic feasibility
  3. Identify information needs of users and mgrs
  4. Document the information needs
  5. prepare a report to summarize
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8
Q

Conceptual Design

A

Identify and evaluate appropriate design alternatives

Develop detail specifications on what the system is to accomplish and how it is to be controlled

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9
Q

Physical Design

A
  1. design output docs
  2. design database as well as input docs
  3. write computer program
  4. create files and databases
  5. develop procedures
  6. develop controls
  7. identify and acquire necessary components
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10
Q

Implementation and Conversion

A

Translates the plan into action and then can be used to monitor the project

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11
Q

Training

A

Includes - hardware and software skill training, orientation to new policies and operations, training options

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12
Q

System Testing

A

test of the effectiveness of documents and reports, user input, operating and control procedures, processing procedures, and computer programs

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13
Q

Operations and Maintenance

A

the entire life cycle…may includes planning, managing the behavioral reactions to change, assessing the ongoing feasibility of the project

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14
Q

Management

A

Signals from top management for support

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15
Q

Accountants

A
  • determine information needs and system requirements
  • help manage
  • active role in designing controls, and periodically monitoring and testing the system to verify that the controls are implemented and functioning properly
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16
Q

Information Systems Steering Committee

A

Plans and oversees the information systems function and address the complexities created by functional and divisional boundaries

consists of high-level management

Functions:

  • setting governing policies for the AIS
  • ensuring top-mgmt participation, guidance, and control
  • facilitating the coordination and integration of information systems activities to increase goal congruence and reduce goal conflict
17
Q

COBIT Framework consists of:

A
  • Business Objectives
  • Governance Objectives
  • Information Criteria
  • IT Resources
  • Domain and processes of COBIT
18
Q

Business Objectives

A

anticipate the global requirements that are typically associated with business owners or process managers as well as IT professionals and auditors

  1. Efficient decision support
  2. Efficient transaction processing
  3. Compliance with reporting requirements
19
Q

Governance Objectives

A
  1. Strategic Alignment
  2. Value Delivery
  3. Resource Management
  4. Risk Management
  5. Performance Management
20
Q

strategic alignment

A

linkage between business and IT plans

includes defining, maintaining, and validating the IT value proposition, with a focus on customer satisfaction

21
Q

value delivery

A

includes the provision by IT of promised benefits to the organization while satisfying its customers and optimizing costs

22
Q

resource management

A

focuses on the optimization of knowledge and infrastructure

23
Q

risk management

A

defined as risk awareness by senior mgmt, characterized by understanding risk appetite and risk mgmt responsibilities

begins with identification of risks

24
Q

performance measurement

A

includes tracking and monitoring strategy implementation, project completion, resource usage, process performance, and service delivery

25
Q

information criteria

A

ICE RACE
Integrity
Confidentiality
Efficiency

Reliability
Availability
Compliance
Effectiveness

26
Q

Integrity

A

accuracy, completeness, and validity

27
Q

Confidentiality

A

protection of sensitive info

28
Q

Efficiency

A

delivery of info through the optimal use of resources

29
Q

Reliability

A

represents and appropriate to entity

30
Q

Availability

A

providing current and future info as required, and safeguarding the assets

31
Q

Compliance

A

info must comply with policies, laws, regulations, and contractual arrangements

32
Q

Effectiveness

A

relevant or pertinent to a business, and delivered in a timely, correct, consistent, and useful manner

33
Q

IT resources

A
  1. Applications - automated user systems and manual procedures
  2. Information - raw input, processed data, output infor
  3. Infrastructure - hardware, operating systems, networking, physical plant
34
Q

Domains and Processes of COBIT

A 
PO AIDS ME
Plan and Organize
Acquire and Implement
Deliver and Support
Monitor and Evaluate
35
Q

General Controls

A

Designed to ensure that an organization’s control environment is stable and well-managed.

36
Q

Application Controls

A 
prevent, detect, and correct transaction error and fraud and are application -specific, providing reasonable assurance as to system:
A. accuracy
B. completeness
C. validity
D. authorization
37
Q

Regulate integrity of input

A
  1. data validation at field level
  2. prenumbering forms
  3. well defined source data preparation procedures

BEC - Information Technology (5 decks)

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