CHAPTER :: 4 •
STEPS ADOPTED IN THE SYSTEM APPROACH FOR DECISION MAKING:1. STATE THE PROBLEM OR OPPORTUNITY FOR WHICH DECISION IS TO BE TAKEN 2. GATHER AND ANALYZE THE DATA AND INFORMATION RELATED TO THIS PROBLEM OR OPPORTUNITY 3. SEARCH VARIOUS ALTERNATIVE SOLUTIONS 4. EVALUATE ABOVE ALTERNATIVES 5. SELECT THE BEST ALTERNATIVE 6. IMPLEMENT THE SELECTED SOLUTION
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SIMON’S MODEL OF DECISION MAKING :- (MIS ROLE PAGE-50) 1. INTELLIGENCE PHASE 2. DESIGN PHASE 3. CHOICE
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CATEGORIES OF DECISIONS :1. PROGRAMED AND NON-PROGRAMED DECISIONS 2. STRATEGIC, TACTICAL, & OPERATIONAL DECISIONS 3. INDIVIDUAL & GROUP DECISIONS
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BENEFITS OF COMPUTERISED MODEL OF DECISION MAKING :SPEED, COMPLETENESS, EFFICIENT & EFFECTIVE, WIDER
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FUNCTIONAL INFORMATION SYSTEM :SEE PAGE :-51-63
CHAPTER :: 5 •
CHARACTERISTICS OF DSS(USE -70)
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COMPONENTS OF DSS 1. THE USER (MANAGERS, STAFF SPECIALIST) 2. PLANNING LANGUAGE OR USER INTERFACE (GENERAL/ SPECIAL PURPOSE) 3. MODEL BASE 4. DATABASE
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TOOLS OF DSS 1. DATABASE SOFTWARE 2. MODELBASE SOFTWARE 3. STATISTICAL SOFTWARE 4. DISPLAY BASED SOFTWARE
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EIS (PURPOSE, CONTENTS –74-75) CHARACTERISTICS :1. TO SOLVE UNSTRUCTURED PROBLEM 2. HIGH DEGREE OF UNCERTAINITY 3. FUTURE ORIENTED 4. INFORMAL SOURCE 5. LOW LEVEL OF DETAIL