System Analysis and Design
An audit trial is

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

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System Analysis and Design
A Turnaround document

All of these
is circulated among all the staff of an organization.
None of these
is output at one point which later comes back as an input
is circulated among all the heads of departments of an organization.

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System Analysis and Design
Inverted list organization

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

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System Analysis and Design
A square symbols

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
None of these
identifies data flow
defines a source or destination of system data

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