Which symbol represents a data store?System flowcharts use only four symbols. In a data flow diagram (DFD), two parallel lines represent the data store symbol.
What does a data store symbol in the data flow diagram?The Data Store symbol represents data that is not moving (delayed data at rest). The Process symbol represents an activity that transforms or manipulates the data (combines, reorders, converts, etc.). Any system can be represented at any level of detail by these four symbols.
What does an open rectangle represent in a data flow diagram?Data flow diagrams represent systems by use of a sparse number of symbols. Systems processes are symbolized by circles, entities external to the system which interact with the system are represented by rectangles, and data stores are denoted by an open ended rectangle.
Which documentation tool represents a graphical description of sources and destinations of data as well as data flows and stores?A flowchart is
a piece of hard plastic used to draw symbols. a graphical description of the flow of data within an organization and the processes performed on that data, as well as the sources and destinations of data.
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