SYSTEMS DEVELOPMENT ANALYSIS
SYSTEMS DEVELOPMENT LIFE CYCLES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data cannot be moved directly from one store to another
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A dataflow may be on both directions between two symbols
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A process can have only output
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A dataflow to a store means retrieve or use
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Detailed explanation-1: -Context-Level Diagram It should be split into major processes which give greater detail and each major process may further split to give more detail. All external entities are shown on the context diagram as well as major data flow to and from them. The diagram does not contain any data storage.
Detailed explanation-2: -Expert-Verified Answer. The flow of the data through the system or process is known as flow of data diagram. and only is the right choice.
Detailed explanation-3: -A data flow can go directly back to the same process it leaves. A fork in a data flow means that exactly the same data go from a common location to two or more different processes, data stores, or sources/sinks. A data flow to a data store means update. Data cannot move directly from a source to a sink.