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MCQ

Q.

Which type of DFD concentrates on the system process, and flow of data in the system ?

A

Physical DFD

B

Logical DFD

C

Flowchart DFD

D

System DFD

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MCQ

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_________ defines the properties of a data object and take on one of the three different characteristics.

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data object

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attributes

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How many levels of DFD is?

A

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A directed arc or line in DFD represents

A

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4.

The context diagram is also known as _____________.

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The __________ of a relationship is 0 if there is no explicit need for the relationship to occur or the relationship is optional.

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structured analysis

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