It is the stage where the input data is manipulated in order to produce meaningful information. Processing can include a number of stages such as sorting, searching, calculations, graphing.
Some examples of processing could include:
- Searching sales data to find which products in a supermarket have sold the most.
- Sorting a list of customer data into alphabetical order.
- After a barcode has been scanned, retrieving the price of the item from the supermarket database and using this data to calculate the customer’s bill.
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