| Term | Definition |
|---|
| documentation | the narratives, flowcharts diagrams, and other written materials that explain how system works. it covers the who, what, when,where, why, and how of data entry,, processing, storage, info o/p, and system controls |
| narrative description | written, step by step explanation of system components and how the components interact |
| data flow diagram (DFD) | a diagram that graphically describes the flow of data wn an organization. it is used to document existing systems and to plan and design new ones. |
| data source | a component of a data flow diagram that represents the people and org that send data that the sysstem geing modeled uses or produces |
| data destination | a component of data flow diagrams that represents an entity outside of the system who receives data produces by the system |
| data flow | a component of a data flow diagram that represents data flowing into or out of a process |
| process | a set of actions, automated or manual, that transform data into other data or information |
| data store | a component of a data flow diagram that represents the storage of data wn a system |
| context diagram | the highest level of a diagram. it provides a summary-level view of a system. It shows the data processing system, the inputs and outputs of the system, and the external entities that are the sources and destinations of they system's inputs and outputs |
| flowchart | an analytical technique used to describe some aspect of an info system in a clear, concise, and logical manner. Flowcharts use a standard set of symbols to describe pictorially the transaction processing procedures a company uses and the flow of data through a system. |
| flowcharting template | a piece of hard, flexible plastic on which the shapes of flowcharting symbols have been die cut |
| document flowchart | trace a doc from its cradel to its grave. they show where each doc originates, its distribution, the pruposes for which it is used, its ultimate disposition, and everything that happens as it flows through the system. it illustrates the flow of doc and info among areas of responsibility wn an org |
| internal control flowchart | a doc flowchart that describes and evaluates internal controls. Often used by auditors in the planning stage of an audit. |
| system flowchart | a diagrammatical representation that shows the flow of data through a series of operations in an automated data processing system. It shows how data are captured and put into the system, the processes that operate on the data, and system outputs. |
| program flowchart | a diagrammatical representation of the sequence of logical operations performed by a computer in executing a program. a program flowchart describes the specific logic to perform a process shown on a system flowchart. |
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