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Name Symbol Description
Input/
It is used to represent input to or output from a process.
Output
Flow Line
(Arrow, It indicates the direction of the process is moving.
Connector)
It is used to connect flow lines and indicate continuation,
Connector especially when the flowchart is large and spans multiple
(Inspection)
pages.
Rules for Drawing Flowchart
When drawing a flowchart, follow these basic rules:
The flowchart should be easy to read and understand. Keep it clear and organised.
The flow should generally move from left to right or top to bottom. This makes it easier to
follow the process.
Each process symbol (rectangle) should have only one flow line coming out of it, leading to
the next step.
Only one flow line should enter a decision symbol (diamond), but two flow lines can leave it,
depending on the possible outcomes (e.g., Yes/No).
Make sure the flowchart has a clear starting point and a logical end. This helps in understanding
where the process begins and finishes.
Always use standard flowchart symbols. This ensures consistency and easy understanding.
Try to avoid crossing flow lines as much as possible. If lines must cross, use connectors to
keep the flowchart tidy and avoid confusion.
Ensure that flow lines have arrowheads to indicate the direction of the process flow. This helps
guide the reader through the sequence of steps.
Advantages of Flowchart
Flowcharts offer the following advantages:
Flowcharts provide a clear and easy-to-understand visual representation of a process or
algorithm.
Flowcharts serve as a common language for conveying ideas, making it easier to communicate
processes to others, whether they are team members, stakeholders, or students.
By visualising the steps involved in a process, flowcharts help identify potential issues,
inefficiencies, or bottlenecks.
Flowcharts are useful for documenting processes, algorithms, or systems.
Algorithms and Flowcharts 41

