A flowchart is a tool for analysing processes, programs or systems. It has become an imperative part of developing an information system. A flowchart depicts the flow of operation through a programme or process by dividing the system or process into events/activities and presenting the logical relationship between them.
Flowcharts are made up of a set of basic symbols; decision process, connector and comment symbols. They are linked then using flow lines, to indicate the flow of control through the program, process or system. As we learned in both the lecture and the tutorial flow charts should begin at the top of a page and flow down and to the right.
These are examples of some flowchart symbols:
When developing information systems, there is a wide variety of flowcharts to choose from such as systems flowchart, deployment flowchart, top-down flowchart and logic flowchart, with system being the most commonly used.
In our tutorial we were given the process for getting cinema tickets from a machine, we were given instructions in bullet point form and then created a flowchart which looked similar to the layout of this flowchart:
Overall, a system flowchart like above, focuses on the configuration of a system, including the various processes, decision points within a system, flows of control, data stores and documents and is essential in the development of information systems as it helps analyse processes, programs and systems and depicts a logical flow of activities events and processes.
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