External entities are a person,organization,or system that is external to the system,but interacts with it.
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Q49: In general,all process models will have as
Q50: Processes should be named with a verb
Q51: Processes in DFDs are shown as circles
Q52: The level 0 diagram shows all the
Q53: The purpose of the Level 0 DFD
Q55: Every process has a unique identification number,a
Q56: A repository for data in DFDs is
Q57: Every process on a DFD must have
Q58: Data (like Year-to-date totals)that come from a
Q59: Data that is moving from a process
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