difference between dss & ess
DESCRIPTION
hi , i am uploading very useful slides in mis.TRANSCRIPT
Deepak Sharma 1
Decision Support
Presented by- DEEPAK SHARMA
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
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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
Deepak Sharma 5
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
Deepak Sharma 16
Thank you