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Question

What do Data Flow Diagrams (DFD) model?

a.

A system as a set of states and state transitions

b.

A system as a set of processes and data flows

c.

A system as a set of objects and attributes

d.

A system as a set of functions

Answer: (b).A system as a set of processes and data flows Explanation:DFDs model a system as a set of processes and data flows that connect these processes.

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Q. What do Data Flow Diagrams (DFD) model?

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