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Documentation
Explains how a system works, including the who, what, when, where, why, and how of
data entry, data processing, data storage, information output, and system controls.
narrative description
written step-by-step explanation of system components and interactions.
Documentation tools are important on the following levels:
At a minimum, you must be able to read documentation to determine how a system
works.
You may need to evaluate documentation to identify internal control strengths and
weaknesses and recommend improvements as well as to determine if a proposed
system meets the company's needs.
More skill is needed to prepare documentation that shows how an existing or proposed
system operates.
Business process diagrams (BPD)
graphical descriptions of the business processes used by a company.
Flowchart
,graphical description of a system
or
a pictorial, analytical technique used to describe some aspect of an information system
in a clear, concise, and logical manner.
Types of flow charts
Document flowchart, which shows the flow of documents and information between
departments or areas of responsibility.
System flowchart, which shows the relationship among the input, processing, and
output in an information system.
Program flowchart, which shows the sequence of logical operations a computer
performs as it executes a program.
Data flow diagram (DFD)
graphical description of data sources, data flows, transformation processes, data
storage, and data destinations.
business process diagram
a visual way to describe the different steps or activities in a business process. For
example, there are many activities in the revenue cycle. Among them are receiving an
order, checking customer credit, verifying inventory availability, and confirming customer
order acceptance. Likewise, there are multiple activities involved in the expenditure
cycle. Among them are shipping the goods ordered, billing the customer, and collecting
, customer payments. All of these activities can be shown on a BPD to give the reader an
easily understood pictorial view of what takes place in this
Start/Begin
The start or begining of a process is represented by a small circle boi
End
The end of a process is represented by a small bolded circle boi
Activity in a process
An activity in a process is represented by a rounded-edge rectangle. An explanation of
the activity is played inside the rectangle
Decision
A decision made during the process is represented by a dimond. an explanation of the
decision is placed inside the symbol
Flow
The flow of data or information is indicated by an arrow
Annotation Information
Information that helps explain a business process is entered in the BPD and, if needed,
a bolded dashed arrow is drawn from the explanation to the symbol.
Guidelines for Preparing Business Process Diagrams
Here are the steps, friends
Identify and understand the business processes.
Develop this understanding by observing organization business processes and data
flows, observing and interviewing those involved in the business process, reading a
narrative description of the system, or walking through system transactions. Identify