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In functional composition, what is done with data flow diagrams _____________.

A

Is ignored

B

Is portioned according to the "closeness" of data grams and data storage s items

C

Is partitioned according to the logical "closeness" of the actigrams

D

Bother a and c

Answer

Correct option is
D

Bother a and c

In functional composition, what is done with data flow diagrams Is ignored and partitioned according to the logical "closeness" of the actigrams.

Flow diagrams in general are usually designed using simple symbols such as a rectangle, an oval or a circle depicting a processes, data stored or an external entity, and arrows are generally used to depict the data flow from one step to another. A DFD usually comprises of four components.

A data flow diagram (DFD) is a graphical representation of the "flow" of data through an information system, modelling its process aspects. A DFD is often used as a preliminary step to create an overview of the system without going into great detail, which can later be elaborated.

A context diagram is a top level (also known as "Level 0") data flow diagram. It only contains one process node ("Process 0") that generalizes the function of the entire system in relationship to external entities. DFD Layers. Draw data flow diagrams can be made in several nested layers.

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