Multiple choice

The checking operation performed in input data is called

  1. validation of data

  2. verification of data

  3. vilification of data

  4. control of data
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A Correct answer
Explanation

Validation is the process of checking input data for correctness, completeness, and compliance with required format before processing begins. This includes checking for valid ranges, data types, and format compliance. Verification typically refers to checking output results rather than input data. Vilification is not a technical term in this context.

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