Context for question 9
A programmer is writing a program using an integrated development environment (IDE).
February/March 2026 Paper 12
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9(a)Error Detection CorrectionMedium3 marks
The program will take data from bar codes as input.
A bar code includes a check digit.
Explain how the check digit is used to check for errors in data entry.
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Context for 9(b)
The programmer is using a high‑level language to write the program.
9(b)(i)Programming Languages Translators IdesEasy2 marks
Describe what is meant by a high‑level language.
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9(b)(ii)Programming Languages Translators IdesMedium3 marks
The programmer uses a compiler during the development of the program.
Describe the benefits of using a compiler when developing the program.
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