System Analysis and Design
Indexed-Sequential organization

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

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System Analysis and Design
In Decision trees

All of these
the branch depends on the condition and decisions to made
None of these
the root is drawn on the left and is the starting point on the decision sequence.
nodes represent the conditions, with the right side of tree listing the actions to be taken

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System Analysis and Design
Most algorithms follow the format of

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

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