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21. 

The mistake, committed by interchanging two digits in a numeric held, during data entry, is called
A. transposition error
B. transcription error
C. Beta testing error
D. Alpha testing error
E. None of the above
22. 

Decision tree uses
A. pictorial depictation of alternate conditions
B. nodes and branches
C. consequences of various depicted alternates
D. All of the above
E. None of the above
23. 

Problem analysis is done during
A. system design phase
B. systems analysis phase
C. before system test
D. All of the above
E. None of the above
24. 

Top-down programming is
A. a group of related fields
B. a map of the programmer's view of the data
C. an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
D. a series or group of components that perform one or more operations of a more complex system
E. None of the above
25. 

A decision table facilitates conditions to be related to
A. actions
B. programs
C. tables
D. operation
E. None of the above