difference between dss & ess

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Decision Support 1 Deepak Sharma Presented by- DEEPAK SHARMA

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Page 1: Difference between DSS & ESS

Deepak Sharma 1

Decision Support

Presented by- DEEPAK SHARMA

Page 2: Difference between DSS & ESS

Deepak Sharma 2

Decision Support

• Decision Making and Information Systems- Types of decisions, examples- TPS, MIS, DSS- Executive Support Systems

• Comparison of DSSs and MISs

Page 3: Difference between DSS & ESS

Deepak Sharma 3

Types of Decisions

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TPS – Transaction Processing Systems

• Basic business systems that serve the organization’s operational level

• Input: Transactions, events• Processing: Sorting, listing, merging, updating• Output: Detailed reports, lists, summaries• Users: Operations personnel, supervisors

TPS database

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MIS – Management Information Systems

• Serve management level; provide reports and access to company data

• Input: Summary transaction data, high-volume data, simple models

• Processing: Routine reports, simple models, low-level analysis

• Output: Summary and exception reports• Users: Middle managers

TPS database

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MIS – Management Information Systems

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DSS – Decision Support Systems

• Serve management level with data analysis for making decisions

• Input: Low-volume data or massive databases, analytic models, and data analysis tools

• Processing: Interactive, simulations, analysis• Output: Special reports, decision analyses, responses to

queries• Users: Professionals, staff managers

OtherData

OtherData

TPS database

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Overview of a Decision-Support System

Figure 12-3

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DSS – Voyage Estimating System

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Selected DSS Applications

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Executive Support Systems

OtherData

OtherData

• Provide communications and computing environment that serves the organization’s strategic level

• Input: External and internal aggregate data• Processing: Graphics, simulations, interactive• Output: Projections, responses to queries• Users: Senior Managers

TPS database

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Executive Support Systems

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Putting Decision Support All TogetherThe 4 Major Types of Information Systems

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Comparison of DSSs and MISs

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Summary

Management Information Systems(MIS) - These systems access, organize, summarize, and displayed information for supporting routine decision making in the functional areas.

Decision support system (DSS) - an organized collection of people, procedures, software, databases, and devices working to support managerial decision making

Group decision support system (GDSS) - also called a computerized collaborative work system, consists of most of the elements in a DSS, plus software needed to provide effective support in group decision-making settings

Executive support systems (ESSs) - specialized decision support systems designed to meet the needs of senior management

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Thank you