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

transcription error
Beta testing error
transposition error
Alpha testing error

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System Analysis and Design
A couple:

None of these
None of these
is a data item that moves from one module to another
means that the upper module has the capability of calling the lower module
is represented by a line joining two modules

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System Analysis and Design
A system analyst designs a new system by

adopting a developed system to the present environment
propose alternatives to the current system
None of these
identifying sub systems and the interfaces between sub systems
developing the system as a large, single unit

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