Flowchart - PowerPoint PPT Presentation

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Flowchart

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  1. Flowchart TA. Maram Al-Khayyal

  2. What is a Flowchart ? • The flowchart is a visual presentation of the flow of data through an information processing systems, the operations performed within the system and the sequence in which they are performed. • Flowcharts are generally drawn in the early stages of formulating computer solutions. Flowcharts facilitate communication between programmers and business people.

  3. A simple flowchart representing a process for dealing with a non-functioning lamp.

  4. Basic flowchart Symbols and Notations • Flowcharts are usually drawn using some standard symbols; however, some special symbols can also be developed when required.

  5. Flowcharts examples: • Now we will present some flowchart examples on flowcharting for proper understanding of this technique: • Example 1 Draw a flowchart to find the sum of first 50 natural numbers.

  6. Example 2 Draw a flowchart to find the largest of three numbers A, B, and C.

  7. Example 3 Draw a flowchart for computing factorial N (N!) Where N! = 1?2?3?....N .

  8. Advantages of Flowchart • Communication. • Effective analysis. • Proper documentation. • Efficient Coding. • Proper Debugging. • Efficient Program Maintenance.

  9. Disadvantages of Flowchart • Complex logic. • Alterations and Modifications. • Reproduction. • The essentials of what is done can easily be lost in the technical details of how it is done.

  10. Case Study: Medical Services.