Difference between Internal Documentation & External Documentation in Tabular Form

SNO.Internal documentationExternal documentation
1.Internal documentation is written in a program as comments.External documentation is written in a place where people who need to use the software can read about how to use the software.
2.Internal documentation would be comments and remarks made by the programmer in the form of line commentsExternal documentation would be things like flow charts, UML diagrams, requirements documents, design documents etc.
3.Internal Documentation is created within the programming department and shows the design and implementation of the project (flow charts, UML diagrams, design documents, etc.).External Documentation is created by the user and Programmer/System Analyst.
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