What is a Flowchart with Example

by anupmaurya
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Flowchart is a tools to explain the process of a program. In this article, a flowchart and how to create a flowchart to illustrate the algorithm visually.

What is Flowchart?

A flowchart is a diagrammatic representation of an algorithm. A flowchart can be helpful for both writing programs and explaining the program to others.

Symbols Used In Flowchart

PurposeDescriptionSymbol
Terminal/TerminatorRepresents the start and the end of a flowchart.terminal
ProcessUsed for arithmetic operations and data-manipulations.process
DecisionUsed for decision making between two or more alternatives.decision
DocumentUsed to represent the document.document
Data, or Input/OutputUsed for input and output operation.data
Stored DataUsed to represent Database.stored data
Flow ArrowIndicates the flow of logic by connecting symbols.flow arrow
Comment or AnnotationUsed for comments.comment
Predefined processRepresents a group of statements performing one processing task.predefined process
On-page connector/referenceUsed to join different flowlineon-page connector
Off-page connector/reference 
Used to connect the flowchart portion on a different page.
off-page connector
Symbols Used In Flowchart

Benefits of Flowchart

Let us now discuss the benefits of a flowchart.

Simplify the Logic

As it provides the pictorial representation of the steps; therefore, it simplifies the logic and subsequent steps.

Makes Communication Better

Because of having easily understandable pictorial logic and steps, it is a better and simple way of representation.

Effective Analysis

Once the flow-chart is prepared, it becomes very simple to analyze the problem in an effective way.

Useful in Coding

The flow-chart also helps in coding process efficiently, as it gives directions on what to do, when to do, and where to do. It makes the work easier.

Proper Testing

Further, flowchart also helps in finding the error (if any) in program

Applicable Documentation

Last but not the least, a flowchart also helps in preparing the proper document (once the codes are written).

Examples of Flowchart

Example 1: Print Number from 1 to 10

Flowchart To Print Number From 1 to 10
Flowchart To Print Number From 1 to 10

Example 2: Convert Temperature from Fahrenheit (℉) to Celsius (℃)

flowchart to Convert Temperature from Fahrenheit (℉) to Celsius (℃)
flowchart to Convert Temperature from Fahrenheit (℉) to Celsius (℃)

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