System Analysis and Design
The black box concept is based on the assumption(s) that;

All of these
the suprasystem is stable
None of these
the relationship between the inputs and output is stable
black boxes are dependent or environments

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System Analysis and Design
Sequential organization

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

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System Analysis and Design
Which of the following is not a characteristic of structured system development?

specification of the interfaces between modules
All of these
partitioning of systems into manageable levels of detail
None of these
the use of graphical tools, such as data-flow diagrams, to model system

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System Analysis and Design
Most algorithms follow the format of

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
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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