RRB Junior Engineer / DMS / CMA 2019 · Question 3645 of 3719
To Construct a Data Flow Diagrams, we use: Arrows Identifies data flow-data in motion. It is a pipeline through which information flows. Circles Like the rectangle in flowcharts, Circles stand for a process that converts incoming data to information. Open-Ended Boxes or Parallel Lines An Open-Ended box represents a data/store-data at rest, or a temporary repository of data. Squares. A Square defines a source or destination of system data.
Source: RRB JE 2019 (CBT 2) (IT) Previous Year Paper (30 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary
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