Lesson 019
Flowcharts & Diagrams
Reading · Building · Debugging
1:00How to read, build, and debug flowcharts — the standard visual language for representing algorithms with shapes and arrows.
By the end, you can
- Name all six standard flowchart shapes and state what each one represents.
- Trace any flowchart from its Start terminal to its End terminal, taking the correct branch at each decision.
- Build a flowchart from scratch using the six-step process (skeleton, then connect, then verify).
- Identify and fix the two most common flowchart pitfalls: the infinite loop and the dangling branch.
- Explain when a flowchart is more useful than pseudocode and when pseudocode is preferable.
- Cite the standards (ANSI X3.5, ISO 5807) that formalize flowchart symbols.
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