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10 Cards in this Set
- Front
- Back
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IS (Info. System)
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Collection of harware, software, data, people, and procedures that work together to produce quality information
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Feasibilities
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(_______ is the Measuere of how suitable the development of a system will be to the company) Economic _______, technical ______, schedule ______, operational ________.
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RFSS-Request for system services
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- formal request for new or modified information system, also called project request
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DFD-Data flow Diagrams
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-systems analysis and design tool that graphically shows the flow of data in the system.
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ERD-entity-relationship diagram
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- Tool that graphically shows connections bwtween entities in system (same as class diagram)
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OO-Object Oriented Analysis
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-Combines data with the processes that act on data into single unit called an object
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Class Diagram
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Graphically shows classes and subclasses in system, Class is group of object--Can have lowers levels called subclasses (same as ERD)
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RFI-Request for information
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-Less formal method that uses standard form to request information about product or service
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RFQ-Request for quotation
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-identifies products you want, Vendor quotes price(s) for listed product(s)
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Use Case Diagram
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______graphically shows how actors interact with the information system. The function that the actor can perform is called the ______, (eg. Place an order or use computer)
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