מהי מערכת ומהי מערכת מידע?

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  • ? , . , , , , .: " , . .: , , .: .: , , .

  • (Static) ( ) . (Dynamic) ( ) . (Functional) - .

  • . " " . . .

  • () - Central purpose. System structure . System integration. Environment. Performance measures. Inputs and outputs. Resources. Transformations.

  • (Online processing). (Batch processing). , , , . .

  • " " (Reports) (Queries). " " (, , ..) ": (Detailed), (Aggregate), (Exceptions). " . .

  • - . . . . : . . . . .

  • )( - . -. .

  • TPSTransaction Processing system MSS Management Support System DSS Decision Support System

  • . . : , , (). () . / , , .

  • () , , . " . : , ", . . . TPS " . TPS .

  • . ." : , , . -TPS -MSS. .

  • . (what if). " . " -TPS .

  • . Clerical level. Operational management. Tactical management. Strategic planning. .

  • () . , , . : , , ". . . . .

  • () . , . (, ,..), , . . . , , . .

  • , , . :, , , , , , .

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  • (build & fix)

  • (waterfall model)

  • - (rapid prototype)

  • ' (incremental model)

  • '

  • , CASE . , - 80 " (, "). . : , - OPM. CASE (Computer Aided Software Engineering)

  • DFD (Data Flow Diagram)ADDISA (Architectural Design of Information Systems based on Structured Analysis : ERD (Entity-Relationship Diagram) : UML (Unified Modeling Language) -FOOM (Functional Object-Oriented Methodology)OPM (Object-Process Methodology)

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