Standard Symbols Used in Flowcharts (Decision, Process) Flowcharts are a visual representation of a decision-making process or a sequence of steps. These flo...
Flowcharts are a visual representation of a decision-making process or a sequence of steps. These flowcharts use specific symbols to represent different elements, such as decision nodes, gateways, loops, and actions. Understanding the meanings and using of these standard symbols is crucial for interpreting and effectively utilizing flowcharts for various applications.
Decision nodes: These nodes represent a decision point in the process. There are two main types of decision nodes: alt and join. An alt node represents a choice between two or more paths, where the flow diverges based on the user's decision. A join node represents a point where multiple paths converge, allowing the user to take multiple routes.
Gateways: These are nodes that direct the flow based on specific conditions. There are three main types of gateways: AND, OR, and NOT. AND gate opens only if all input paths are true, while OR gate opens if at least one input path is true. NOT gate reverses the direction of flow if the input path is true.
Loops: These nodes allow the user to revisit specific sections of the flowchart. There are two main types of loops: for loop and while loop. For loop allows the user to repeat a set of actions a defined number of times. While loop allows the user to continue executing a set of actions until a specific condition is met.
Actions: These nodes represent individual actions that are performed within the flowchart. Actions can be basic tasks, such as printing a message or performing a calculation, or they can call other flowchart elements.
By understanding these standard symbols, users can create clear and concise flowcharts that effectively communicate the decision-making process or the sequence of steps involved in a particular task