Unit 2.3 Robust Programs

Unit 2.3 Robust Programs

1. DATA VALIDATION

   • Does not make data entry accurate
   • Checks data input is sensible
   • Types: RANGE (value between x and y), VERIFICATION (technique to check if right / dual entry)
   • Test Data : NORMAL (7, 8,9, 10) EXTREME (7, 13) ERRONEOUS (6,1.2, eight)

2. DATA SANITATION

   • Reduce rubbish
   • Make sure that the input can be processed

3. AUTHENTICATION

   • Username and Password (whats the plan?)
   • Resetting
   • Security Question

4. MAINTAINABILITY

   • Updates

5. COMMENTS

   • Help maintain the system

6. INDENTS

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