System Analysis and Design
During the maintenance phase

None of the listed here
Programs are tested
System analysis is carried out
System requirements are established

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System Analysis and Design
Most algorithms follow the format of

Entering the output items, then processing the output items, and then displaying the output items
Entering the input items, then processing the input items, and then displaying the output items
Entering the input items, then displaying the input items, and then processing the output items
Entering the output items, then displaying the output items, and then processing the output items
Entering the input items, then processing the output items, and then displaying the output items

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System Analysis and Design
Inverted list organization

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

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System Analysis and Design
In a Decision tree

all of the listed here
the root is drawn on the left and is the starting point on the decision sequence
the nodes represent the conditions, with the right wise of tree listing the actions to be taken
the branch, to be followed, depends on the conditions and decisions, to be made

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System Analysis and Design
Indexed-Sequential organization

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

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