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
Direct-access organization

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

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System Analysis and Design
An audit trial is

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

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System Analysis and Design
An open rectangle

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

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