System Analysis and Design
An audit trial is

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

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System Analysis and Design
Most algorithms begin by _____.

Entering the output items into the computer
Processing the input items by doing some calculations on them
Displaying the input items
Entering the input items into the computer
Displaying the output items

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System Analysis and Design
A square symbols

represents a process that transforms incoming data flow(s) into outgoing data flows
identifies data flow
defines a source or destination of system data
is a data store-data at rest, or a temporary repository of data
None of these

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