5. Testing the accuracy of the program (Testing and Validating).Test program results come out right as desired or not.- by the input assume several possible value, go in and see the results is correct or not.6. Documentation program (Documentation).1. Documentation program for the user (User Documentation).2. Documentation for the programmer (Technical Documentation).7. Maintenance program (Program maintenance).After having an application program for a long time, and may need to be revised editing program to meet the needs of the user may change.Chapter 10 information system.Data.Data refers to facts in order for any business venture. By collecting these data from the data source. These facts may be numbers, quantity, remember the number, distance, etc., or may be the fact that not a number.The properties of good information.1. Accuracy.2. Timely.3. Integrity intact.4. The compact.5. Meet the needs of users.Information.Information means the data meet the requirements (Raw data) such as books, numbers, pictures, and so on.Processed by computer. To get the results that were due, called the information that users can lead to assist in decision making.The management of the enterprise, both public and private, accurate and fast.Information system.Information means information system data storage. Data processing in information flow within and outside the organization, and the presented information.The goal of the system.- increase the efficiency of the work.- increase productivity.- enhance the quality of customer service.- expanding ผิต products and manufactured goods.- create opportunities in their choice of competitive set.- to create business opportunities.
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