Two data stores can be connected by a data flow without an intervening process. Question 55 options: True False

False

Explanation:

Data Flow Diagram Also known as DFD, Data flow diagrams are used to graphically represent the flow of data in a business information system. DFD describes the processes that are involved in a system to transfer data from the input to the file storage and reports generation.

Rule of Data Flow

One of the rule for developing DFD is that all flow must begin with and end at a processing step. This is quite logical, because data can't transform on its own with being process. By using the thumb rule, it is quite easily to identify the illegal data flows and correct them in a DFD.

This implies that two data stores cannot be connected without an intervention process.

d. use a mixture of external and internal links

explanation:

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