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

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

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System Analysis and Design
An audit trial is

post-auditing the system after its implementation
All of these
None of these
designed to permit tracing of any input record or process performed on a system, back toits original sources
test data used by the system auditor

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System Analysis and Design
Indexed-Sequential organization

uses an index for each key type
means storing records in contiguous blocks according to a key
has records placed randomly throughout the file
stores records sequentially but uses an index to locate records

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