Exam 7: Structuring System Process Requirements

________ is the process of discovering discrepancies between two or more sets of data flow diagrams or discrepancies within a single DFD.

A computer-based file containing employee information is represented on a data flow diagram as a:

If two processes are connected by a data flow,they are said to:

The data a sink receives and often what data a source provides are fixed.

On a data flow diagram,supplier information kept in a notebook is represented as a ________.

The extent to which information contained on one level of a set of nested data flow diagrams is also included on other levels refers to:

Briefly discuss how DFDs can be used as analysis tools.

If a data flow appears on the context diagram and is also represented at level-0,this would be referred to as:

________ is an iterative process of breaking the description of a system down into finer and finer detail,which creates a set of charts in which one process on a given chart is explained in greater detail on another chart.

In the Gane and Sarson model,a rectangle with rounded corners on a data flow diagram represents a:

A square on a data flow diagram represents a:

Briefly describe the data flow diagramming symbols.Provide one example of each.

In a decision table,a condition whose value does not affect which actions are taken for two or more rules is referred to as a(n):

A ________ is a picture of the movement of data between external entities and the processes and the data stores within a system.

Recording a customer's payment is represented on a data flow diagram as a:

A black hole is one that:

________ is the conservation of inputs and outputs to a data flow diagram process when that process is decomposed to a lower level.

In the Gane and Sarson model,a rectangle that is missing its right vertical sides on a data flow diagram represents a:

Assume shipment data is entered into a logbook once shipments are received at the company's warehouse;the logbook is represented on a data flow diagram as a sink.

Determining an employee's schedule is an example of a ________.