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13. Conclusion. Simple Program Design Third Edition A Step-by-Step Approach. 13. Objectives. Revision of the steps required to achieve good top-down program design. 13. Simple Program Design.

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conclusion
13

Conclusion

Simple Program Design

Third Edition

A Step-by-Step Approach

objectives
13Objectives
  • Revision of the steps required to achieve good top-down program design
simple program design
13Simple Program Design
  • The aim of this textbook has been to encourage programmers to follow a series of simple steps in order to develop solution algorithms to given programming problems
  • These steps are:

1. Define the problem

2. Group the activities into subtasks or functions. Not all the activities to be performed may have been listed in the defining diagram

3. Construct a hierarchy chart. Just as a company director can change the organization of the company to suit its operation, so you can change the organization of the modules in the hierarchy chart

simple program design1
13Simple Program Design

4. Establish the logic of the mainline of the algorithm. Use pseudocode and the three basic control structures to establish this logic. The mainline should show the main processing functions of the problem and the order in which they are to be performed

5. Develop the pseudocode for each successive module in the hierarchy chart

6. Desk check the solution algorithm. This detection of errors, early in the design process, can save many frustrating hours during the testing phase. It is essential that the programmer desk checks the solution algorithm, yet this step is often ignored

summary
13Summary
  • This chapter has revised the steps required to achieve good top-down program design
  • Program design is considered good if it is easy to read and understand and easy to alter
  • If you follow these six steps in the development of an algorithm, you will rapidly achieve a high level of competence
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