System Analysis and Design
The mistake, committed by interchanging two digits in a numeric held, during data entry, is called

Beta testing error
transposition error
Alpha testing error
transcription error

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System Analysis and Design
A square symbols

identifies data flow
None of these
defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
is a data store-data at rest, or a temporary repository of data

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System Analysis and Design
In top down analyis and design

each succeeding phase is as detailed as the phase before it.
each succeeding phase is less detailed than the phase before it
each succeeding phase is more detailed than the phase before it
all of the listed here

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