Information System

Information System

1. Consists of

   • Databases Fact Repository
     • Carefully designed and constructed repository of facts
   • People
   • Hardware
   • Software
   • Application Programs
   • Procedures

2. Provides

   • Data Collection
   • Storage
   • Retrieval
   • Facilitates the transformation of data into information, and the management of both data and information

3. Systems Analysis

   • The process that establishes the need for and the scope of an information system.

4. Systems development

   • The process of creating an information system
   • Framework
     • Application
       • Applications transform data into information
         • Information forms basis for decision making
       • Applications produce formal reports, tabulations and graphic displays to allow easier understanding
       • Composed of data and code

5. Performance Depends on

   • Database design and implementation
     • Database Development
     • Database Design
       • Primary objective: Create complete, normalized, non-redundant and fully integrated conceptual, logical and physical database models.
     • Implementation
       • Creating the database storage structure, loading data into the database and providing for data management
   • Application design and implementation
   • Administrative procedures