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Structure Diagrams (DSD and PSD)

1. Sequence

SD Sequence

2. Selection

SD Selection

3. Advanced Selection (Case… of.. , Nested selection)

SD Advanced Selection

4. Iteration in program Design

SD Iteration

4.1 Fixed Iteration

Fixed Iteration

4.2  Zero-based Conditional Iteration

Zero-based Conditional Iteration

4.3 Non-Zero based Conditional Iteration

Non-Zero based Conditional Iteration



1. Procedures without Parameters

SD Procedures A

2. Procedures with Parameters

SD Procedures B


SD Arrays