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Data Requirements

Introduction
With any new system, you need to identify the data requirements. What variables do you need and what data types are they? How are you going to store the data you need? What arrays or record structures do you need? Later in section 3.2.3, you will find the notes on the following topics to help you do this:

• • Data types
    
  • Arrays
    
  • Data types and structures
    
  • Record formats.
    

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