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Information systems

Information systems. Introduction. Introduction. Personal Information Assoc. prof. Bogdan Shishedjiev Office 2302, mail: bogi@tu-sofia.bg Assist. Prof. Anastassia Vangelova Office 2300a, 2307 Course http://ff.tu-sofia.bg/~bogi Lectures & exercises Control & project. Information System.

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Information systems

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  1. Information systems Introduction Bogdan Shishedjiev Information system

  2. Introduction • Personal Information • Assoc. prof. Bogdan Shishedjiev • Office 2302, mail: bogi@tu-sofia.bg • Assist. Prof. Anastassia Vangelova • Office 2300a, 2307 • Course • http://ff.tu-sofia.bg/~bogi • Lectures & exercises • Control & project Bogdan Shishedjiev Information system

  3. Information System Control System Coordination, goals Processed Decisions Information Information system Information Information to outside Process, memorize from outside Gathered Control Information Production system Incoming flow Outgoing flow Operational 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 Bogdan Shishedjiev Information system

  6. Information System • Execution order • Studying the state of art • Model Design • Conceptual Data Model • Processing Model • Validation • Logical Data Model • Operational Model & Progamming Bogdan Shishedjiev Information system

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