1. grouping of information (Classification) is a grouping of similar information together.2. the calculated (Calculation) is generally calculated using mathematical methods, such as add, divide, multiply, subtract to get useful results, such as the sales tax calculations, all of which must be paid over 3 years ago.3. data sorting (Sorting) to arrange the data in order to make the processing easier, such as arranging invoices based on zip code or postal code in order to speed up deliveries.4. Summary (Summarizing) is reducing the size of a compact or small, such as calculating average grade of each student.
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