Exam 4: Documenting Information Systems

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In a data flow diagram (DFD), a(n) ______________________________ symbol portrays a source or a destination of data outside the system.

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A customer is an example of an internal entity.

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The following symbol represents a manual process The following symbol represents a manual process

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When two data flow diagrams (DFDs) have equivalent external data flows, we say that the two data flow diagrams are:

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A systems flowchart is a graphical representation of both the physical and logical features of an information system.

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In a data flow diagram (DFD), two parallel lines represent the data store symbol. In a data flow diagram (DFD), two parallel lines represent the data store symbol.

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A(n) ______________________________ depicts a system and all of its activities as a single bubble.

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______________________________ are those persons, places, or things outside the system that send data to, or receive data from, the system.

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Information processing activities retrieve data from storage, transform data, or file data.

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The data flows in a logical data flow diagram (DFD) show:

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On a systems flowchart a triangle represents ____________.

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Which of the following data flow diagram (DFD) guidelines is correct?

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The following symbol represents a document. The following symbol represents a document.

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Which symbol can be either an entity or a process depending on the type of data flow diagram (DFD)?

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Bubbles are labelled with nouns in

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The following systems flowchart segment depicts a user entering business event data from a source document to update a master file data store. Which statement is correct? The following systems flowchart segment depicts a user entering business event data from a source document to update a master file data store. Which statement is correct?

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A(n) ______________________________ is a graphical representation of a system showing the system's internal and external entities and flows of data into and out of those entities.

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Compare and contrast the description and use of physical data flow diagrams and logical data flow diagrams.

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A(n) ______________________________ shows what activities the system is doing without specifying how, where or by whom the activities are accomplished.

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The following symbol represents a computer process. The following symbol represents a computer process.

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