System Analysis and Design
Sequential organization

Stores records sequentially but uses an index to locate records
has records placed randomly throughout the file
None of these
means storing records in contiguous blocks according to a key.
uses an index for each key type

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System Analysis and Design
An audit trial is

post-auditing the system after its implementation
None of these
All 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
Positive testing is

testing changes made in an existing or a new program
running the system with line data by the actual user
making sure that the new programs do in fact process certain transactions according to Specifications
is checking the logic of one or more programs in the candidate system

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