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Information systems. Introduction. Introduction. Personal Information Assoc. prof. Bogdan Shishedjiev Office 2302, mail: [email protected] Assist. Prof. Anastassia Vangelova Office 2300a, 2307 Course http://ff.tu-sofia.bg/~bogi Lectures & exercises Control & project. Information System. - PowerPoint PPT Presentation
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Bogdan Shishedjiev Information system
1
Information systems
Introduction
Bogdan Shishedjiev Information system 2
Introduction
• Personal Information– Assoc. prof. Bogdan Shishedjiev
• Office 2302, mail: [email protected]
– Assist. Prof. Anastassia Vangelova• Office 2300a, 2307
• Course– http://ff.tu-sofia.bg/~bogi
– Lectures & exercises
– Control & project
Bogdan Shishedjiev Information system 3
Control System
Coordination, goals
Information systemProcess, memorize
Production systemOperational control
DecisionsInformation
Processed
Information
Gathered
Informationfrom outside
Informationto outside
Outgoing flowIncoming flow
Information System
Control
Bogdan Shishedjiev Information system 4
Information System
• Overview– Translate an overview of the company in such a way to bind the
development of a managerial information system to an overhaul of the organization. This fully integrated information system in the life of the company then makes a particularly powerful element of company control. the control system manages the company and remains focused on the goals selected. The CEO, department head but also in its scale, the foreman in charge of a production unit; the information system provides the link between the two. It informs, after analysis, the decision making system about operational system performance. Symmetrically, it transmits to the latter, the instructions of the control system. after having translated them
Bogdan Shishedjiev Information system 5
Information System
• Separation the data from processing
• Approach by levels
Level Data Processing
Conceptual Conceptual Data Model (CDM)
Conceptual Preocessing Model (CPM)
Organization Logical Data Model (LDM)
Organization Preocessing Model (OPM)
Technical Logical Data Model (LDM)
Operational Model
Bogdan Shishedjiev Information system 6
Information System
• Execution order
1. Studying the state of art2. Model Design
– Conceptual Data Model
– Processing Model
3. Validation
4. Logical Data Model
5. Operational Model & Progamming
Studying the state of art 50 %
Model Design 25 %
Logical Data Model 10%
Operational Model & Progamming 15%
