Flowchart
- The flowchart is a graphical/diagrammatic representation of an algorithm.
- Flowcharts are very helpful in writing programs and explaining programs to others.
Symbols Used In Flowchart :
Different symbols are used for different states in the flowchart.
For example,
Rules for drawing a flowchart :
1.The flowchart should be clear, neat, and easy to follow. There should be no ambiguity in understanding the flowchart.
2.The usual direction of the flow of a procedure or system is from left to right or top to bottom.
3.Only one flow line should emerge from a process symbol.
4.Only one flow line should enter a decision symbol, but two or three flow lines, one for each possible answer, can leave the decision symbol.
5.Only one flow line is used in conjunction with a terminal symbol.
6.A sequence of steps or processes that are executed in a particular order is shown using process symbols connected with flow lines.
7.Iteration or looping is depicted by a combination of process and decision symbols placed in proper order. Here flow lines are used to connect the symbols and depict input and output to this structure.
8.Selection of a process or step is depicted by the decision-making and process symbols. Only one input indicated by one incoming flow line and one output flowing out of this structure exist. The decision symbol and the process symbols are connected by flow lines.
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