Quiz: Handling Invalid Data (Reject, Retry, Default)
OCR GCSE J277 Computer Science specification
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Building on what you've learned about input validation and anticipating misuse, let's test your knowledge of how invalid data is handled using reject, retry, and default methods!
What does the 'reject' method do when invalid data is entered?
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Which of the following are advantages of using the 'retry' method for handling invalid data? (Select all that apply)
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The {{blank0}} method replaces invalid data with a predefined value, ensuring the program can continue without errors.
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Match the items on the left with their correct pairs on the right
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Which method would be most appropriate for handling invalid data in a critical system where precision is required?
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A program uses the 'default' method to handle invalid data. If a user enters 'abc' for a value that should be a number, and the default value is set to 0, what will the stored value be?
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Match the items on the left with their correct pairs on the right
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Match the items on the left with their correct pairs on the right
When using the 'default' method, what must the programmer define beforehand?
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Which situations are best suited for the 'default' method? (Select all that apply)
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