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Flowchart Activity

Flowcharts

Flowcharts are a diagrammatic representation of an algorithm. They are helpful for writing programs and explaining your program to others.

Create a visual representation of how to count the people in the room using flowchart symbols.

Teminator

The start or end of the program.

Termiator Flowchart Symbol
Termiator Flowchart Symbol

Process

Used for arithmetic operations and data-manipulations.

Process Flowchart Symbol
Process Flowchart Symbol

Decision

Used for decision making between two or more alternatives.

Decision Flowchart Symbol
Decision Flowchart Symbol

Data

Indicates information entering or leaving the system- inputs and outputs.

Data Flowchart Symbol
Data Flowchart Symbol

On-Page Reference

Contains a letter inside. Indicates that the flow continues at matching symbol containing the same letter somewhere on the same page.

On-Page Reference Flowchart Symbol
On-Page Reference Flowchart Symbol

Off-Page Reference

Contains a letter inside. Indicates that the flow continues at a matching symbol containing the same letter somewhere on a different page.

 

Off-Page Reference Flowchart Symbol
Off-Page Reference Flowchart Symbol

Predefined Process

Group of statements performing one processing task.

Predefined Process Reference Flowchart Symbol
Predefined Process Reference Flowchart Symbol

Flow Line

Group of statements performing one processing task.

Flow Line Flowchart Symbol
Flow Line Flowchart Symbol

Group activity

If you have time after writing an algorithm for adding the ages of everyone in the room, create a visual representation of your algorithm using flowchart symbols.

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Intro to Algorithms and Programming
Next — 📘 Unit 3 - AAP Part 1
Reflection