What is Flow Chart?
Flowchart is a diagrammatic representation of sequence of logical steps of a program. Flowcharts use simple geometric shapes to depict processes and arrows to show relationships and process/data flow.Flowchart Symbols
Here is a chart for some of the common symbols used in drawing flowcharts.| Symbol | Symbol Name | Purpose |
|---|---|---|
|
Start/Stop | Used at the beginning and end of the algorithm to show start and end of the program. |
|
Process | Indicates processes like mathematical operations. |
|
Input/ Output | Used for denoting program inputs and outputs. |
|
Decision | Stands for decision statements in a program, where answer is usually Yes or No. |
|
Arrow | Shows relationships between different shapes. |
|
On-page Connector | Connects two or more parts of a flowchart, which are on the same page. |
|
Off-page Connector | Connects two parts of a flowchart which are spread over different pages. |
Guidelines for Developing Flowcharts
These are some points to keep in mind while developing a flowchart −- Flowchart can have only one start and one stop symbol
- On-page connectors are referenced using numbers
- Off-page connectors are referenced using alphabets
- General flow of processes is top to bottom or left to right
- Arrows should not cross each other
Example Flowcharts
Here is the flowchart for going to the market to purchase a pen.
Here is a flowchart to calculate the average of two numbers.
