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Rapport Système D'information Essay

2967 words - 12 pages

Université Abdelmalek EssaâdiLP Informatique de GestionMatière : Système d'informationRAPPORT :SYSTEME D'INFORMATION ET ENVIRONNEMENT DE L'ENREPRISESalim LAFDOULMohammed ETTRIKIMoustapha AMMARIAnnée Universitaire 2009/2010SOMMAIREI. L'approche systémiqueA. Le concept de systèmeB. Les six caractéristiques d'un système1. Un système est un ensemble fini.2. Un système agit en fonction d'un but3. Un système a un comportement régulé.4. Un système s'informe sur son propre comportement.5. Un système décide de son comportement.6. Un système mémorise.II. L'entreprise comme un systèmeA. L'entrepriseB. Les caractéristiques d'une entreprise1. Première caractéristique : Une entreprise constitue un ensemble fini.2. Deuxième caractéristique : Une entreprise agit en fonction d'un but.3. Troisième caractéristique : Une entreprise est une organisation régulée.4. Quatrième, cinquième et sixième caractéristiquesC. Le système d'information marketingIntroductionLe Système d'Information Marketing (SIM)Le recueil de données internes à l'organisationLa Veille MarketingLes études et les recherchesCompilation, traitement et formalisation des donnéesLe SIM : une démarche en boucleIII-Exemple d'un SI dans une école (Habitat Formation):1.1. Présentations (Habitat Formation)1.2. Keyrus2. Périmètre du projet2.1. Phase du projet2.2. Objectifs du projet3. Le système d'information3.1. Conception du SI3.2. Mise en place du SI4. Restitution institutionnelle et fonctionnelle4.1. Elaboration des Univers SAP BusinessObjects4.2. Réalisation du reportingwebographieI. L'approche systémiqueA. Le concept de systèmeUn système est un phénomène identifiable pratiquant la régulation, composé de sous-systèmes reliés entre eux permettant l'action, la prise de décisions et la mémorisation des informations.Exemple :L'être humain, la famille, une entreprise, l'État sont des exemples de systèmesB. Les six caractéristiques d'un système1. Un système est un ensemble fini.Un système existe, il est identifiable, différentiable de ce qui l'entoure. C'est un ensemble fini, borné par une frontière qui le sépare de son environnement.Exemple :Un avion, un être humain, une entreprise sont des systèmes identifiables. Un être humain est facilement identifiable ne serait-ce que physiquement.2. Un système agit en fonction d'un butL'environnement fournit des entrées au système qui lui permettent d'agir, d'opérer. Le système génère à son tour des sorties vers...

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