Looking into FlowchartsAuthor : Pandu Ranga Rao N
E - Mail : pandu2050@gmail.com

A flowchart basically is a pictorial representation of a program. It is a type of diagram that represents an algorithm or a process, showing the steps as boxes of various kinds and their order by arrow marks. This diagram like representation gives one, step by step solution for a given problem.

In flowcharts, a statement or operation to be performed is represented in boxes and arrow that connects them, shows the execution path of the entire process.

The flow chart is used to analyze, design, documentation purpose or to manage a process or program in various applications. Flow charts normally used to simplify steps as it shows the problem and the solution by making use of pictures.

Hence, flowcharts do become a very crucial part in big projects where there are many small modules are involved. It is also very useful to verify which steps are completed and which needs to be completed in order to get a desired solution, which helps the project to get completed in a proper manner.

In an algorithm one has to read through the hefty text or procedure to continue. It may be confusing while checking for the mistakes. But in a flow chart it shows such matters easily and more accurately. Algorithms some times, may become very complex to understand. But there is no such risk in a flowchart as it directly shows clearly picturises, the solution to the given problem.

Benefits and limitations of using flow charts :

  • Benefits :
    1. Drawing a Flow chart is a better way to show the communication of the logic of a given problem to all who are concerned to the particular project
    2. Problems can be analyzed in an easier and effective manner
    3. They are good sources of proper documentation
    4. They act as good blueprint, while doing system analysis and while developing the program
    5. Many times, a flowchart helps in debugging process, rather than an algorithm. As it is in pictorial form, it becomes easy and less hectic while going through finding logical errors in a project
  • Limitations :
    1. When the program is more complicated or very complex, then writing a flowchart becomes difficult and clumsy. In such situations, it takes more time to draw, maintain a flowchart
    2. If there is any major alteration to be made then, it is required re-write the flowchart again, which wastes the development time, as it is written by the developer himself

We now look into the list of Flowchart Symbols and a Flowchart Representation for Addition of 2 Numbers.

Author : Pandu Ranga Rao N
E - Mail : pandu2050@gmail.com
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