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Flow charts

Flow charts show the steps of a process or task using standard symbols. They break down activities into a logical order with a start and end point. Process boxes represent each step connected by arrows showing the direction of flow. Decision symbols allow for multiple flow lines depending on options. Flow charts are useful for communicating and documenting processes but require understanding symbols and may need redrawing for alterations.

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FLOW CHARTS UNLEASH THE FURY!
What is flow chart? A flow chart shows Order a Burger the break down of a task into separate steps They can be used to represent how programs work
Flow Chart Symbols Flow charts use standard symbols to represent different activities. Having standard symbols means that the diagrams are universally understood
Drawing Flow Charts • When drawing a flow diagram, every stage should be listed in a logical order. • It should neat • Easy to follow • No room for misunderstanding or ambiguity
Drawing Flow Charts All flow charts have a Start point using this symbol -> All flow charts have an End point using this symbol -> This is the ‘terminator’. It ends the flow. All flow charts have at least one process box -> The direction of flow is one way
Drawing Flow Charts Only one flow line should enter a decision symbol but two or three lines may leave it depending on the options that can be chosen
Advantages of Flow Charts • A good way to communicate the details of a task or processes to others • An excellent way of documenting each stage of the process • Acts a blue print guiding the programmer through the development
Disadvantages of Flow Charts • Some tasks are difficult to represent using a flow chart • If and alteration is made then the flow chart may need to be redrawn • People need to understand what the symbols mean