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MIS_Shavandi Chapter 2 : Organization and Information Systems

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MIS_Shavandi Chapter 2 : Organization and Information Systems

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MIS_Shavandi Chapter 2 : Organization and Information Systems

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Types of Information Systems

Figure 2-1

MIS_Shavandi Chapter 2 : Organization and Information Systems

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Major Types of Systems

•• Executive Support Systems (ESS)Executive Support Systems (ESS)

•• Decision Support Systems (DSS)Decision Support Systems (DSS)

•• Management Information Systems (MIS)Management Information Systems (MIS)

•• Knowledge Work Systems (KWS)Knowledge Work Systems (KWS)

•• Office Automation Systems (OAS)Office Automation Systems (OAS)

•• Transaction Processing Systems (TPS)Transaction Processing Systems (TPS)

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Figure 2-2

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MIS_Shavandi Chapter 2 : Organization and Information Systems

TPS

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Transaction Processing Systems (TPS):Transaction Processing Systems (TPS):

•• Basic business systems that serve the Basic business systems that serve the

operational leveloperational level

•• A computerized system that performs and A computerized system that performs and

records the daily routine transactions records the daily routine transactions

necessary to the conduct of the businessnecessary to the conduct of the business

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Payroll TPS

Figure 2-3

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Types of TPS Systems

Figure 2-4

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MIS_Shavandi Chapter 2 : Organization and Information Systems

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Knowledge Work Systems (KWS):

Knowledge level

• Inputs: Design specs

• Processing: Modeling

• Outputs: Designs, graphics

• Users: Technical staff

Example: Engineering work station

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MIS_Shavandi Chapter 2 : Organization and Information Systems

M I S

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Management Information System (MIS):

Management level

• Inputs: High volume data

• Processing: Simple models

• Outputs: Summary reports

• Users: Middle managers

Example: Annual budgeting

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Figure 2-5

Management Information System (MIS)

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MIS_Shavandi Chapter 2 : Organization and Information Systems

• Structured and semi-structured decisions

• Report control oriented

• Past and present data

• Internal orientation

• Lengthy design process

Management Information System (MIS)

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MIS_Shavandi Chapter 2 : Organization and Information Systems

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Decision Support System (DSS):

Management level

• Inputs: Low volume data

• Processing: Interactive

• Outputs: Decision analysis

• Users: Professionals, staff

Example: Contract cost analysis

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Figure 2-6

Decision Support System (DSS)

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MIS_Shavandi Chapter 2 : Organization and Information Systems

Figure 2-7

Decision Support System (DSS)