Please enable JavaScript.
Coggle requires JavaScript to display documents.
CHAPTER 3 - SYSTEMS DOCUMENTATION TECHNIQUES - Coggle Diagram
CHAPTER 3 - SYSTEMS DOCUMENTATION TECHNIQUES
INTRODUCTION
DOCUMENTATION
- Narratives, flow chart, diagrams and other written materials that explain how a system works
NARRATIVE DESCRIPTION
- Written step by step explanation of system components and how to interact
DOCUMENTATION TOOLS
DATA FLOW DIAGRAM (DFD)
- A graphical description of data sources, data flows, transformation processes, data storage and data destinations
FLOW CHARTS
DOCUMENT FLOWCHART
- Flow of documents and information between departments or areas of responsibility
SYSTEM FLOWCHART
- Shows the relationship among the input, processing and output in an information system
PROGRAM FLOWCHART
- Shows the sequence of logical operations a computer performs as it executes a program
BUSINESS PROCESS DIAGRAMS
- Graphical descriptions of the business processes used by a company
DATA SOURCE
- The entity that produces or sends the data that is entered into a system
DATA DESTINATION
- The entity that receives data produced by a system
DATA FLOW
- The movement of data among processes, stores, sources and destinations
PROCESS
- The action that transforms data into other data or information
DATA STORE
- The place or medium where system data is stored
CONTEXT DIAGRAM
- Highest level (DFD) a summary-level view of a system, showing a data processing system
FIVE DATA PROCESSING ACTIVITIES
Payroll master file (first paragraph)
Handling employee compensation (second, fifth, sixth paragraphs). In this chapter, there will be a breakdown of this activity into smaller parts in a lower level DFD
Generating management reports (third paragraph)
Paying taxes ( fourth paragraph )
Posting entries to the general ledger ( last paragraph )
FLOWCHART
- An analytical technique that uses a standard set of symbols to describe pictorially some aspect of an IS in a clear, concise and logical manner
DOCUMENT FLOWCHART
- Illustrates the flow of documents and data among areas of responsibility within an organization
INTERNAL CONTROL FLOWCHART
- Used to describe, analyze and evaluate internal controls, including identifying system strengths, weaknesses and inefficiencies
PROGRAM FLOWCHART
- Illustrates the sequence of logical operations performed by a computer in executing a program
BUSINESS PROCESS DIAGRAM
- A visual way to describe the different steps or activities in a business process